Words That Start with AU
There are 274 words that start with AU on Word.ws, from 2 to 15 letters. The most common length is 9 letters (51 words). The words used most often are august, author, authority, audience and authorities.
Meanings from Wiktionary. Not an official Scrabble, Words With Friends or Wordle word list.
2-letter words that start with AU
- au2n. A vowel found in Indic abugidas.
3-letter words that start with AU
- aua3n. Aldrichetta forsteri, a mullet of the family Mugilidae.
- aue3interj. Alas, oh dear; dear me.
- auk7n. Any of several species of Arctic sea birds of the family Alcidae.
- aul3n. A village encampment in the Caucasus, Central Asia or the Southern...
- aux10n. The auxiliary audio connector of a sound system.
4-letter words that start with AU
- auca6n. A traditional form of art from Catalonia, consisting of a comic-like...
- aula4n. A court or hall.
- auld5adj. Old.
- aune4n. An old French cloth measure, varying around the country, but at Paris...
- aunt4n. The sister or sister-in-law of one’s parent.
- aura4n. A subtle emanation or exhalation of any substance, such as an aroma or...
- auth7v. To authenticate.
- auto4n. A setting for automatic operation.
5-letter words that start with AU
- audax13n. A non-competitive long-distance (often over 200 km) cycling event.
- audio6adj. Focused on audible sound, as opposed to sight.
- audit6n. A judicial examination.
- augen6n. Flattened eye-shaped mineral grains present in some metamorphic rocks.
- auger6n. A carpenter's tool for boring holes longer than those bored by a gimlet.
- aught9n. Zero.
- augur6n. A diviner who foretells events by the behaviour of birds or other...
- aulic7adj. Of or pertaining to a royal court; courtly.
- aulos5n. Any of a class of ancient Greek musical instruments resembling pipes or...
- aural5adj. Of or pertaining to the ear.
- auric7adj. Of or pertaining to trivalent gold.
- aurin5n. A red colouring matter derived from phenol. Used as an indicator.
- aurum7n. Gold (used in the names of various substances, see "Derived terms").
- autem7n. A church.
- auton5n. A machine or robot, usually in the form of a living being, designed to...
- auxin12n. A class of plant growth substance (often called phytohormones or plant...
6-letter words that start with AU
- aubade9n. A poem or song evoking or greeting the dawn or early morning.
- auburn8n. A dark reddish-brown colour, often used to describe hair colour.
- audial7adj. Of or relating to hearing, or to the sense or organs of hearing.
- audion7n. An early electronic amplifying tube consisting of a partially evacuated...
- aughts10n. The first decade of a century, such as 1900 to 1909 or 2000 to 2009...
- augite7n. A variety of pyroxene, usually of a black or dark green color...
- augury10n. A divination based on the appearance and behaviour of animals.
- august7adj. Awe-inspiring, majestic, noble, venerable.
- auntie6n. Term of familiarity or respect for a middle-aged or elderly woman.
- aureus6n. A gold coin, minted in the Roman Empire from approximately 100 B.C.E....
- aurora6n. An atmospheric phenomenon created by charged particles from the sun...
- auspex15n. An officiating priest in Ancient Rome.
- auteur6n. A creative artist, especially a film director, seen as having a...
- author9n. The originator or creator of a work, especially of a literary...
- autism8n. Autism spectrum disorder, a condition characterized by impairment in...
- autist6n. An autistic person, a person with autism.
- autumn8n. Traditionally the third of the four seasons, when deciduous trees lose...
7-letter words that start with AU
- auberge10n. An inn or hostel.
- auction9n. A public event where goods or property are sold to the highest bidder.
- audible10adj. Able to be heard.
- audibly13adv. In context of possibility of being heard; in an audible manner.
- auditor8n. One who audits bookkeeping accounts.
- augment10v. To increase; to make larger or supplement.
- auguste8n. A kind of clown, usually serving as an anarchic foil to the whiteface.
- aurally10adv. Pertaining to sound or the ear; via or through the sense of hearing.
- aureate7adj. Golden in color or shine.
- aurelia7n. The chrysalis of an insect, especially of a butterfly.
- aureola7n. Radiance of luminous cloud that surrounds the figure in a painting of a...
- aureole7n. A circle of light or halo around the head of a deity or a saint.
- auricle9n. Any appendage in the shape of an ear or earlobe.
- aurochs12n. An extinct European mammal, Bos primigenius, the ancestor of domestic...
- auroral7adj. Pertaining to the dawn; dawning, eastern, like a new beginning.
- auslese7n. A sweet wine, especially from Germany, made from late harvest grapes...
- auspice11n. Patronage or protection.
- austere7adj. Grim or severe in manner or appearance.
- austral7adj. Of, relating to, or coming from the south.
- autarch12n. A despotic ruler.
- autarky14n. A personal condition or state of self-reliance; independence.
- autobio9n. Autobiography.
- autobus9n. A motorbus, as opposed to earlier horse-drawn buses.
- autocar9n. A road vehicle powered by steam or electricity rather than by traction.
- autocue9n. Any of several devices that display words for a person to read aloud.
- autogas8n. Automotive gasoline suitable for use in piston-engined gasoline-powered...
- automan9n. A man involved in automobile manufacture.
- automap11n. A partial map that is automatically updated with new areas as the...
- automat9n. A vending machine for food.
- autopay12n. Automatic payment.
- autopen9n. A machine that automatically writes a person's signature.
- autopia9n. An urban landscape designed for use by the automobile.
- autopsy12n. A dissection performed on a cadaver to find possible cause(s) of death.
- autorun7n. Any feature that runs a program, etc. automatically.
8-letter words that start with AU
- audacity14n. Insolent boldness, especially when imprudent or unconventional.
- audience11n. A group of people within hearing; specifically, a large gathering of...
- auditing10n. The act or result of performing an audit.
- audition9n. A performance, by an aspiring performer, to demonstrate suitability or...
- auditive12adj. Of or relating to hearing; auditory.
- auditory12adj. Of, or relating to hearing, or to the sense or organs of hearing.
- aurantia8n. An orange coal-tar dye that is an ammonium salt of...
- aurelian8adj. Pertaining to or resembling an aurelia; gold-coloured, golden.
- auricula10n. The external part of the ear.
- auspices12n. Protection or patronage.
- autarchy16n. A condition of absolute power.
- autarkic14adj. Pertaining to an autarky; self-sufficient.
- authored12adj. Having an author.
- autistic10adj. Having, characteristic of, or relating to autism.
- autobahn13n. The high-speed intercity highways of Germany and Austria.
- autocrat10n. An absolute ruler with infinite power.
- autofill11n. Any software feature that fills in (fields of a form, cells of a...
- autogamy14n. Self-fertilization, the fertilizing pollen being derived from the same...
- autogyro12n. An aircraft in which lift is provided by unpowered rotating wings and...
- autoharp13n. A string instrument having a series of chord bars attached to dampers...
- autoland9n. An instance of autolanding.
- autoload9v. To load (data or storage media) automatically.
- automate10v. To replace or enhance human labor with machines.
- autonomy13n. The right or condition of self-government; freedom to act or function...
- autoplay13n. Any software feature that plays (a video, a compact disc, etc.)...
- autosave11n. A software facility that saves an open document (or progress in a game...
- autosome10n. Any eukaryotic chromosome other than sex chromosomes.
- autotomy13n. The spontaneous removal of a limb, tail etc, especially by some...
- autumnal10adj. Of or relating to autumn.
- auxiliar15adj. Auxiliary.
9-letter words that start with AU
- aubergine12n. An Asian plant, Solanum melongena, cultivated for its edible purple...
- audacious12adj. Showing willingness to take bold risks; recklessly daring.
- audiencia12n. An appellate court of the Spanish empire.
- audiobook16n. A recording, usually made available for sale, of a reading of the full...
- audiogram13n. A graphical representation of the hearing ability of a person.
- audiology14n. The study of the auditory and vestibular systems, and associated...
- audiotape12n. A magnetic tape that stores analog sound for later playback on a tape...
- auditable12adj. Able to be audited.
- augmented13adj. Increased in number, amount or strength.
- augmentin12n. The antibiotic amoxicillin.
- auricular11adj. Of or pertaining to the ear.
- auslander10n. A foreigner.
- austenite9n. Synonym of gamma iron.
- austerely12adv. In an austere manner.
- austerity12n. Severity of manners or life; extreme rigor or strictness; harsh...
- austinite9n. A secondary mineral found in the oxidized zone of some arsenic-rich...
- autarchic16adj. Of, pertaining to, or marked by autarchy; autocratic.
- authentic14adj. Of the same origin as claimed; genuine.
- authoress12n. A female author.
- authorial12adj. Of, coming from, or typical of an author (especially of books).
- authoring13n. The process of creating the content of a document or other content...
- authority15n. Power or right to make or enforce rules, give orders, or impose...
- authorize21v. To grant (someone) the permission or power necessary to do (something)...
- autoclave14n. A strong, pressurized, heated vessel, as for laboratory experiments...
- autocracy16n. A form of government in which unlimited power is held by a single...
- autocrine11adj. Of a hormone, neuropeptide, etc.: acting on the cell that produced it.
- autocross11n. A form of motorsport that tests the skill and speed of a driver over a...
- autodrome12n. A circuit used for motor sports events, but not for high-speed racing.
- autofocus14n. A feature of some cameras and other optical systems that allows a...
- autogenic12adj. Self-produced.
- autograft13n. A tissue graft taken from one part to another of the same individual's...
- autograph15n. A person’s own handwriting, especially the signature of a famous or...
- autolysis12n. The destruction of an organism's cells by enzymes produced by the...
- automaker15n. A person or company that manufactures automobiles; usually used to...
- automated12adj. Made automatic.
- automatic13adj. Capable of operating without external control or intervention.
- automaton11n. A machine or robot designed to follow a precise sequence of...
- autonomic13adj. Acting or occurring involuntarily, without conscious control.
- autoparts11n. Automotive components.
- autophagy18n. The process of self-digestion by a cell through the action of enzymes...
- autopilot11n. A mechanical, electrical, or hydraulic system used to guide a vehicle...
- autopista11n. A controlled-access highway in various Spanish-speaking countries.
- autoroute9n. An expressway, freeway, motorway or highway.
- autosomal11adj. Of or pertaining to autosomes.
- autosport11n. Motorsport.
- autostart9v. To start automatically.
- autotuned10adj. Having been subject to autotuning; processed via auto-tune.
- auxiliary19adj. Helping; giving assistance or support.
The 48 most common of 51 are shown.
10-letter words that start with AU
- auctioneer12n. An individual who conducts an auction on behalf of a vendor, accepting...
- audibility16n. The quality of being heard or understood; the degree to which a thing...
- audiometer13n. An instrument which is used to determine the acuity of hearing.
- audiometry16n. The quantitative assessment of a person's hearing ability, especially...
- audiophile16n. A person with an interest in high fidelity music and/or sound...
- auditorium13n. A large room for public meetings or performances.
- auriferous13adj. Containing or producing gold; gold-bearing.
- auscultate12v. To listen (for example to the heart or lungs) by auscultation; to...
- auspicious14adj. Of good omen; indicating future success.
- austenitic12adj. Of, containing, or relating to austenite, a certain crystalline...
- authentics15n. A collection of the Novels or New Constitutions of Justinian, by an...
- authigenic16adj. Generated where it is found or observed.
- authorized23adj. Explicitly allowed.
- authorship18n. The quality or state of being an author; the function or dignity of an...
- autocannon12n. A fully automatic projectile weapon similar to a machine gun, but...
- autochrome17n. An early photograph produced by means of a glass plate coated on one...
- autochthon18n. The earliest inhabitant of an area; an indigenous person.
- autoclaved16adj. That has been heated, treated, or sterilized in an autoclave.
- autocratic14adj. Of or pertaining to autocracy or to an autocrat; absolute; holding...
- autodidact14n. A self-taught person.
- autoerotic12adj. Of or pertaining to sexual satisfaction obtained without a partner...
- autogenous11adj. Produced independently of an external cause or influence.
- autoimmune14adj. Of or pertaining to autoimmunity.
- autoloader11n. A mechanical device that loads ordnance into weapons such as tanks and...
- autologous11adj. Derived from part of the same individual (i.e. from the recipient...
- automation12n. The act or process of converting the controlling of a machine or device...
- automatism14n. Automatic or involuntary action.
- automative15adj. Relating to automation.
- automobile14n. A type of motor vehicle designed to move on the ground under its own...
- automotive15adj. Having the ability to move by itself; self-propelled or self-propelling.
- autonomist12n. An advocate of autonomy or autonomism.
- autonomous12adj. Governing itself independently.
- autophagic18adj. Of or pertaining to autophagia or autophagy.
- autostrada11n. A motorway in Italy (and some other countries).
- autoworker17n. Someone who works as an assembly line worker in an automobile assembly...
11-letter words that start with AU
- audaciously17adv. In an audacious manner; bravely, daringly, but not foolheartedly.
- audiologist13n. A healthcare professional who diagnoses, treats and/or manages hearing...
- audiometric16adj. Of or pertaining to audiometry.
- audiovisual15adj. Containing both aural and visual elements.
- auricularia13n. The larvae of the sea cucumber.
- authorities14n. The bodies that have political or administrative power and control in a...
- autoantigen12n. Any antigen that stimulates autoantibodies in the organism that...
- autocephaly21n. The condition where a church's leaders have severed ties to a larger...
- autoclaving17n. Sterilization in an autoclave.
- autocorrect15v. To make an autocorrection; to correct something automatically.
- autoencoder14n. A form of neural network designed to learn codings.
- autographed18adj. Bearing an autograph.
- autographic19adj. Containing or relating to an autograph.
- autoloading13n. The capability of loading and linking portions of a program from mass...
- automatable15adj. Able to be automated.
- automobilia15n. Everything pertaining to automobiles, especially collectibles.
- automorphic20adj. Describing a mineral, in an igneous rock, that is bounded by its own...
- autopoiesis13n. Self-creation; self-organization.
- autoscaling14n. Automatic scaling.
- autotrophic18adj. Relating to the production of organic compounds from carbon dioxide as...
12-letter words that start with AU
- audiological16adj. Of or pertaining to audiology, or the study of hearing.
- audiovisuals16n. Audiovisual material.
- augmentation15n. The act or process of augmenting.
- augmentative18adj. That which augments.
- auscultation14n. Diagnosis of disorders by listening to the sounds of the internal...
- auscultatory17adj. Of or pertaining to auscultation.
- auspiciously19adv. In an auspicious way.
- authenticate17v. To render authentic; to give authority to, by the proof, attestation...
- authenticity20n. The quality of being genuine or not corrupted from the original, of...
- autoantibody18n. An antibody formed in response to an agent (autoantigen) produced by...
- autocomplete18v. To complete automatically.
- autodidactic18adj. Of, relating to, or being an autodidact; self-taught; self-educated.
- autographing19n. The signing of an autograph.
- autoignition13n. Spontaneous combustion.
- autoimmunity19n. The condition where one's immune system attacks one's own tissues...
- autoinjector21n. A medical device designed to deliver a single dose of a particular...
- automaticity19n. The ability to do things without occupying the mind with the low level...
- automobility19n. The use of automobiles as the major means of transportation and...
- automorphism21n. An isomorphism of a mathematical object or system of objects onto...
- autonomously17adv. In an autonomous or self-governing manner.
- autoreactive17adj. Acting against the organism by which it was produced.
- autorickshaw24n. A motorized rickshaw of South Asia and East Asia, often available for...
- autorotation12n. The rotation of the blades of a helicopter driven solely by the action...
- autothrottle15n. An automatic throttle, allowing a pilot to control the power setting of...
- autoxidation20n. A spontaneous oxidation reaction that results in the slow, flameless...
13-letter words that start with AU
- authentically21adv. In an authentic manner; genuinely.
- authenticator18n. One who, or something which, authenticates, as.
- authoritarian16adj. Of, or relating to, or exhibiting strict obedience to an authority...
- authoritative19adj. Arising or originating from a figure of authority.
- authorization25n. An act of authorizing.
- autobiography24n. A self-written biography; the story of one's own life.
- autocatalytic20adj. Catalyzed by one of its own products.
- autocephalous20adj. Fully independent of the authority of any other church.
- autochthonous21adj. Native to the place where found; indigenous.
- autogenerated15adj. Generated automatically, usually by a computer program.
- automagically21adv. In an automagical manner; happening seemingly without effort.
- automatically20adv. In an automatic manner.
- autophagosome21n. A phagosome in which part of a cell's own cytoplasm is digested.
- autoresponder16n. A computer program that automatically sends a certain message or...
14-letter words that start with AU
- auspiciousness18n. The state or quality of being auspicious or successful.
- authentication19n. Something which validates or confirms the authenticity of something; or...
- autobiographer22n. One who writes his or her own life or biography.
- autobiographic24adj. Synonym of autobiographical.
- autocompletion20n. A software feature permitting form fields, etc., to be autocompleted.
- autocorrection18n. An automatic correction, especially of text in a word processor.
- autocratically21adv. In an autocratic manner.
- autogynephilia23n. In Blanchard's transsexualism typology, the supposed paraphilic...
- automatization25n. The process of making an action of a higher animal reflexive.
- autoregressive18adj. Employing autoregression, using a weighted sample of past data to...
- autoregulation15n. Any of several physiological processes in which an inhibitory feedback...
- autosuggestion16n. The practice of suggesting thoughts to oneself, as in autohypnosis.
15-letter words that start with AU
- authoritatively24adv. In an authoritative manner; with authority.
- autocorrelation17n. The cross-correlation of a signal with itself: the correlation between...
- autoethnography27n. An ethnographic study drawing on one's own anecdotal or personal...
- autoradiography25n. The process of making autoradiographs.
- autotransformer20n. A transformer with a single winding, its output being taken from taps.
- autotransfusion18n. A blood transfusion in which a person receives their own blood...
1,571 rare words that start with AU
- aubaine
- auberginey
- aubergiste
- aubertite
- aubretia
- aubrietia
- aubrite
- auchenipterid
- auchenium
- auctionability
- auctionable
- auctionary
- auctioner
- auctionese
- auctiongoer
- auctionlike
- auctorial
- auctrix
- aucuba
- aucubigenin
- aucubin
- aucuparin
- aucupate
- audaciousness
- audav
- audaxer
- audeme
- audialise
- audialize
- audially
- audiatable
- audiate
- audiation
- audibilization
- audibilize
- audibleness
- audienceless
- audiencier
- audient
- audiently
- audile
- audimeter
- auding
- audioactive
- audioanalgesia
- audioblog
- audioboard
- audiocast
- audiocentric
- audiocentrism
- audioconference
- audiocup
- audiogenic
- audiograph
- audiographer
- audiographic
- audiographics
- audiogyral
- audiolingual
- audiolingualism
- audiolingually
- audiolise
- audiolize
- audiologic
- audiologically
- audiometrically
- audiometrician
- audiometrist
- audiomotor
- audiopathy
- audiophilia
- audiophilic
- audiophobia
- audiophobic
- audiorecord
- audiorecording
- audiosensory
- audiospatial
- audiospinal
- audiotactile
- audiotext
- audiotrack
- audiovestibular
- audiovisualist
- audiovisuality
- audiovisually
- audiovocal
- audiphone
- audism
- audist
- audistic
- auditability
- auditee
- auditeria
- auditionee
- auditioner
- auditionist
- auditopsychic
- auditorial
- auditorially
- auditorily
- auditorship
- auditosensory
- auditress
- auditual
- auerlite
- aufeis
- auflauf
- aufruf
- aufwuchs
- augaptilid
- augelite
- augend
- augengneiss
- augerer
- augerino
- augerlike
- augerpeptide
- auget
- aughties
- augitic
- augmentability
- augmentable
- augmentary
- augmentational
- augmentationer
- augmentatively
- augmentedly
- augmentee
- augmenter
- augmentive
- augmentless
- augural
- augurate
- auguration
- augurer
- augurial
- augurism
- augurist
- augurize
- augurous
- augurship
- augustly
- augustness
- auhuhu
- auklet
- auksinas
- aulacid
- aulacigastrid
- aulacocerid
- aulacogen
- aulacogene
- aulacophore
- aulacopleurid
- aulacopod
- aularian
- aulate
- aulete
- auletic
- auletris
- auln
- aulochrome
- aulode
- aulodont
- aulophobia
- aulophore
- aulopid
- aulopiform
- aulopiformid
- auloporid
- aulorhynchid
- aulostomid
- aumaga
- aumakua
- aumery
- aumil
- auncel
- auncle
- aunicornist
- auntdom
- aunthood
- aunticide
- aunting
- auntish
- auntishly
- auntishness
- auntless
- auntlike
- auntliness
- auntly
- auntness
- auntship
- auntyish
- auntyji
- aupaka
- aurachin
- auracyanin
- auraed
- auraful
- auraless
- auralessness
- auralike
- aurality
- auralization
- auralize
- auramine
- auranofin
- aurantiaceous
- aurantiamarin
- aurantiamide
- aurantiasis
- aurantiobtusin
- auraptene
- aurasperone
- aurate
- aurated
- auratic
- aureation
- aureity
- aurelione
- aureobasidin
- aureochrome
- aureocin
- aureofungin
- aureofuscin
- aureoled
- aureolic
- aureolin
- aureolysin
- aureomycin
- aureonitol
- aureoquinone
- aureothricin
- aureous
- aureusidin
- aureusimine
- aureusin
- aureusvirus
- aurian
- aurichalceous
- aurichalcite
- aurichloride
- auricled
- auricomous
- auricularioid
- auricularis
- auricularly
- auriculars
- auriculasin
- auriculate
- auriculated
- auriculectomy
- auriculiform
- auriculoside
- auriculotherapy
- auricupride
- auride
- auriferously
- auriferousness
- aurific
- aurification
- auriform
- aurify
- aurigal
- aurigation
- aurigerous
- aurignacoid
- aurigraphy
- aurilave
- aurinasal
- auriphrygiate
- auriporcine
- auriscalp
- auriscalpium
- auriscope
- auriscopic
- auriscopy
- aurist
- auristatin
- aurited
- aurivilliusite
- aurivorous
- aurochloride
- aurochrome
- aurocyanide
- aurodrosopterin
- aurofusarin
- auroglaucin
- aurone
- auropalpebral
- aurophilic
- aurophobia
- aurorally
- auroramycin
- auroraphobia
- aurorean
- aurorite
- auroscope
- aurostibite
- aurotherapy
The first 300 are shown.
Questions about these words
- How many words that start with AU are there?
- Word.ws lists 274 words that start with AU, plus 1,571 rare ones.
- What are common words that start with AU?
- august, author, authority, audience, authorities, automatically, auto and audio.
- Which of the words that start with AU has the highest letter score?
- autoethnography scores 27 points with the standard letter tile values.
Related word lists
Source and license
Word lists and meanings adapted from the Wiktionary entry of each word. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out names, abbreviations, misspellings and offensive words, and ordered the most common words by how often they appear in English (wordfreq). Meanings from Wiktionary; this is not an official Scrabble, Words With Friends or Wordle word list. Wiktionary data of 2026-09-02.
Cite this page: “Words That Start with AU: 274 Words by Length.” Word.ws, https://word.ws/words/starting-with-au. Based on Wiktionary, CC BY-SA 4.0.