4-Letter Words Ending in O

All 312 four-letter words ending in O

A

• abdo7n. Abdomen.
• acro6adj. Combining acrobatic elements with something else.
• aero4adj. Of or pertaining to aviation.
• afro7n. A hairstyle characterized by tightly curled locks and a rounded shape.
• agio5n. The premium or percentage on a better sort of money when it is given in...
• aiyo7interj. Expressing distress, regret, or fear.
• alco6n. A small South American dog, domesticated by the natives, now thought to...
• allo4adj. Allosexual and/or alloromantic; experiencing sexual and/or romantic...
• aloo4n. Potato.
• also4adv. In addition; besides; as well; further; too.
• alto4n. A musical part or section higher than tenor and lower than soprano...
• ambo8n. A raised platform in an early Christian church, as well as in the...
• amio6n. Amiodarone.
• ammo8n. Ammunition.
• anko8n. A paste made of azuki beans.
• arco6adv. A note in string instrument musical notation indicating that the bow is...
• aroo4interj. The howl of a wolf or dog.
• arvo7n. Afternoon.
• atmo6n. The standard atmospheric pressure used in certain physical measurements...
• auto4n. A setting for automatic operation.

B

• bedo7v. To shut; make or put to.
• bego7v. To affect, usually as a good or bad influence, or as a circumstance.
• beno6n. An alcoholic drink distilled from the fermented sap of palm trees...
• biko10n. A sweet rice cake from the Philippines, made with coconut milk and...
• bilo6n. Half a coconut shell, used in Fiji as a cup for drinking alcohol.
• bino6n. The superpartner of the gauge boson corresponding to weak hypercharge....
• biro6n. A Biro brand ballpoint pen.
• bobo8n. A materialistic person who affects an anti-materialistic persona.
• boho9n. A bohemian.
• boko10n. The nose.
• bolo6n. A long, heavy, single-edged machete.
• boro6v. Borrow.
• boto6n. Inia geoffrensis, a species of freshwater dolphin endemic to the Amazon...
• boyo9n. A boy or lad.
• bozo15n. A stupid, foolish, or ridiculous person, especially a man.
• brio6n. Vigour or vivacity.
• broo6n. Broth.
• bubo8n. An inflamed swelling of a lymph node, especially in the armpit or...
• budo7n. Japanese martial arts.
• bufo9n. Toad, frog.
• bujo13n. A confidence trick in which the victim is falsely diagnosed with a...
• buko10n. A coconut.

C

• camo8n. A pattern on clothing consisting of irregularly shaped patches that are...
• capo8n. A movable bar placed across the fingerboard of a guitar and used to...
• cayo9n. A small island or ledge of rock in the water; a key.
• cero6n. A large scombroid food fish (Scomberomorus regalis) found chiefly in...
• chio9adj. Cute, pretty.
• choo9n. The sound of a locomotive whistle.
• ciao6interj. Hello, hi.
• coco8n. Coconut palm.
• codo7n. A traditional Spanish unit of length, equivalent to about 41.6 cm.
• coho9n. An anadromus and semelparous salmon, Oncorhynchus kisutch, found in the...
• colo6n. Co-location.
• coro6n. Syllabic abbreviation of coroutine.
• coto6n. A traditional Spanish unit of length, equivalent to about 10.4 cm.
• cryo9n. Cryoprecipitate.
• culo6n. Ass.

D

• dado6n. The section of a pedestal above the base.
• deco7n. Decompression.
• dedo6n. A traditional short Spanish unit of length, usually about equal to 1.75...
• defo8n. Defamation.
• delo5n. A delegate (representative).
• demo7n. A demonstration or visual explanation.
• dero5n. A homeless person, a tramp; a social derelict, especially an alcoholic.
• deso5n. A designated driver.
• devo8adj. Devastated.
• dido6n. A fuss, a row.
• dino5n. A dinosaur (type of animal).
• divo8n. A male diva; a man with the traits characteristic of a typical diva.
• dodo6n. A large, flightless bird, †Raphus cucullatus, related to the pigeon...
• dojo12n. A training facility, usually led by one or more sensei; a hall or room...
• doko9n. A kind of basket made from bamboo, used by porters in Nepal, Bhutan and...
• dolo5adv. Alone, by oneself, without a companion.
• dono5n. A donation.
• duco7n. Automotive paint.
• dyno8n. A dynamic climbing move or jump to reach a hold that cannot otherwise...

E

• echo9n. A reflected sound that is heard again by its initial observer.
• eddo6n. A plant (Colocasia esculenta, but often identified as Colocasia...
• endo5n. Marijuana.
• ergo5adv. Consequently, therefore, or thus.
• euro4n. The currency unit of the European Monetary Union. Symbol: €.
• exco13n. Executive committee or council.
• exmo13n. A disaffiliate of the Church of Jesus Christ of Latter-day Saints, a...
• expo13n. An exposition (type of public exhibition).

F

• fado8n. A Portuguese folk song, usually featuring a single vocalist, Portuguese...
• fano7n. A non-singular complete algebraic variety whose anticanonical bundle is...
• faro7n. A game of chance played by betting on the order in which certain cards...
• fico9n. A fig; an insignificant trifle.
• fido8n. A coin that is defective, having been incorrectly minted, often prized...
• fino7n. The driest and palest type of traditional sherry.
• furo7n. A Japanese bath, generally deep and square-sided, and traditionally...

G

• gato5n. Cat, kitty.
• gayo8n. South Korean popular music (K-pop).
• geno5n. Genocide.
• gilo5n. Fruit of the scarlet eggplant (Solanum aethiopicum).
• giro5n. A transfer of funds between different account holders, carried out by...
• gobo7n. A screen (often in disc form) placed between a light and an illuminated...
• gogo6n. An elasticated hair band.
• gomo7n. Kopje, small hill.
• guro5n. A subgenre of manga and anime focusing on gore and mutilation.
• gyro8n. A gyroscope.

H

• hako11n. A Pawnee Indian ceremony celebrating the union of Earth and Heaven and...
• halo7n. A circular band of coloured light, visible around the sun or moon etc....
• haro7interj. A call for help, a demand for protection against harm, or for...
• helo7n. A helicopter.
• hero7n. Somebody who possesses great bravery and carries out extraordinary or...
• heyo10interj. Hey; hallo; a casual greeting.
• hiyo10interj. Drawing attention to a preceding joke or pun.
• hobo9n. A wandering homeless person, especially (historical) one illegally...
• holo7n. A hologram.
• homo9n. Homogenized milk with a high butterfat content.
• horo7n. A large cloak worn by Japanese warriors to protect against arrows.
• huso7n. A large European sturgeon (Huso huso), inhabiting the Black Sea and...
• hypo12n. A hypochondriac.

I

• illo4n. An illustration.
• indo5n. Indometacin when used as a recreational drug.
• info7n. Information.
• ingo5n. The frame of a door, window, fireplace, or similar structure.
• inro4n. A small decorative box, hung from the sash of a kimono, for holding...
• into4prep. To or towards the inside of.

J

• jabo13n. A type of Spanish dance in a three-in-a-measure rhythm.
• jako15n. An African grey parrot, Psittacus erithacus, commonly kept as a cage...
• jamo13n. Any of the component letters of the Korean hangul alphabet.
• jato11n. An auxiliary jet engine in a detachable unit that provides extra power...
• jiao11n. A currency unit of the People's Republic of China, one tenth of a yuan.
• jiko15n. A portable stove of the type common in Africa.
• jito11n. A medieval steward of territory in Japan, especially in the Kamakura...
• jodo12n. A Japanese martial art using a short staff, originally as a defence...
• joho14n. A woolen robe worn by Arabs.
• jojo18n. A seasoned, battered and fried potato wedge.
• juco13n. Junior college.
• judo12n. A Japanese martial art and sport adapted from jujitsu.

K

• kago9n. An open and suspended Japanese style of sedan chair.
• kalo8n. Taro (Colocasia esculenta).
• kano8n. A male American.
• kapo10n. A prisoner in a Nazi concentration camp who was given food and...
• karo8n. Pittosporum crassifolium, a shrub of New Zealand.
• kayo11n. A knockout.
• keno8n. A gambling game, a variety of lotto, played with balls or knobs...
• kero8n. Kerosene.
• keto8n. The carbonyl group of a ketone.
• kigo9n. A seasonal word; a word required in haiku to indicate the season.
• kino8n. A botanical gum produced by various trees and other plants...
• kito8n. A type of blackmail on LGBT people.
• kobo10n. A subdivision of currency, equal to one hundredth of a Nigerian naira.
• kodo9n. Kodo millet, Paspalum scrobiculatum.
• kogo9n. Korean-style deep-fried battered sausage on a stick.
• koko12n. The tree Albizia lebbeck.
• kolo8n. A national folk dance common in regions pertaining to South Slavic...
• kono8n. A traditional Maori woven basket.
• koro8n. A delusional syndrome found in Malay and southern Chinese populations...
• koto8n. A Japanese stringed instrument having numerous strings, usually seven...
• kroo8n. An obsolete African unit of measure, varying by the type of produce.
• kupo10interj. Used to end a sentence in a cute, friendly, or whimsical manner.

L

• lalo4n. Baobab leaf powder, used to make soups in Western Africa.
• leno4n. A type of weave used to make light, open cotton fabric used for window...
• liao4part. Indicates action completion, or more generally, perfective aspect.
• lido5n. Part of the sea by a beach sectioned off for swimming and other aquatic...
• lilo4n. An inflatable air mattress.
• lobo6n. A wolf.
• loco6adv. A direction in written or printed music to be returning to the proper...
• logo5n. A visual symbol or emblem that acts as a trademark or a means of...
• lolo4n. A grandfather.
• lovo7n. A traditional earthen pit oven in Fiji.

M

• maco8n. An Egyptian cotton once used to make underwear and stockings.
• mado7n. Any fish in the genus Atypichthys, in Australia mostly Atypichthys...
• malo6n. Malolactic fermentation.
• mamo8n. Either of two extinct species of Hawaiian honeycreepers of the genus...
• mano6n. A stone resembling a rolling pin, used to grind maize or other grain on...
• mayo9n. Exaggeration.
• memo8n. A short note; a memorandum.
• mero6n. Any of several large groupers of warm seas.
• meso6adj. In between the "macro" and "micro" levels of sociological structures.
• mico8n. A small South American monkey (Mico melanurus, syn. Callithrix...
• mijo13n. A term of endearment for a man or boy; dear, darling, my heart.
• miko10n. A Shinto shrine maiden.
• milo6n. Sorghum.
• mino6n. A traditional Japanese raincoat made from straw.
• miro6n. A large conifer of New Zealand, Pectinopitys ferruginea (syn....
• miso6n. A thick paste made by fermentation of soybeans with the mold...
• mito6n. Mitochondrial disease.
• mobo8n. A motherboard.
• moco8n. Rock cavy (Kerodon rupestris).
• mogo7n. Cassava.
• moho9n. The North Island takahē, an extinct rail of New Zealand.
• mojo13n. A magic spell or hex.
• moko10n. A traditional Maori tattoo (image made in the skin), traditionally done...
• momo8n. A type of dumpling, typical of the cuisines of Nepal, Ladakh, and Tibet...
• mono6n. A bicycle or motorcycle trick where the front wheel is lifted off the...
• moto6n. One of a series of motocross or BMX races.
• mozo15n. A male servant, especially an attendant to a bullfighter.
• mulo6n. A vampire.
• muso6n. A pretentious music fan.

N

• nano4n. A nanotechnological device, such as a computer.
• nato4n. A tree of the genus Mora.
• neko8n. A catgirl or catboy.
• nolo4adj. Having no or low alcohol content; being low-alcohol or alcohol-free.
• nooo4interj. Elongated form of no.

O

• obbo8n. Police observation.
• octo6n. An octopus (safety device).
• oleo4n. A type of energy-absorbing landing gear strut in which sudden...
• olio4n. A rich, thick, Spanish stew consisting of meat and vegetables.
• ongo5v. To be ongoing (occurring, happening); to last, proceed or continue.
• onto4prep. Arriving upon or on top of (speaking of a physical or metaphorical...
• oppo8n. A friend, associate or colleague.
• ordo5n. A musical phrase constructed from one or more statements of one modal...
• orgo5adj. Organic.
• orlo4n. A Spanish wind instrument, possibly a crumhorn.
• orzo13n. A form of pasta the size and shape of grains of rice or barley; often...
• ouzo13n. An anise-flavoured aperitif, originating in Greece.

P

• paco8n. An earthy-looking ore, consisting of brown oxide of iron with minute...
• paho9n. A sacred prayer stick in the Hopi religion.
• palo6n. Any of the traditional musical forms in flamenco.
• pano6n. A panoramic image.
• pato6n. The national sport of Argentina, a game played on horseback that...
• pego7n. The penis.
• pepo8n. A fruit of plants of the gourd family Cucurbitaceae, possessing a hard...
• peso6n. A former unit of currency in Spain and Spain's colonies, worth 8...
• phoo9interj. An expression of rejection or disgust.
• pito6n. A type of beer made from fermented millet or sorghum in parts of West...
• pivo9n. A type of Central and Eastern European pilsner.
• podo7n. Any of various trees of the genus Afrocarpus or Podocarpus.
• pogo7v. To use a pogo stick.
• polo6n. A ball game where two teams of players on horseback use long-handled...
• poyo9n. Palm wine.
• puro6n. A cigar, especially one made with tobacco from a single country.
• puso6n. Rice wrapped and boiled in a casing made of woven coconut leaves.
• puto6n. A rice cake made of boiled or steamed rice.
• pyro9n. A pyromaniac.

R

• rago5adj. Wild, out of control.
• redo5v. To do again.
• rego5n. Registration for a motor vehicle.
• relo4n. A relative.
• repo6v. To repossess.
• rito4n. The young leaves of the coconut palm, used in traditional weaving in...
• rivo7interj. A drinking cry.
• riyo7n. A Japanese ounce, especially of silver; a tael.
• robo6n. A robot.
• roko8n. A type of protest in which transport is disrupted.
• roto4n. A Chilean, especially a common man or lower-class Chilean.

S

• sabo6v. To get someone in trouble, to prank, to sabotage another's efforts.
• saco6n. A traditional Spanish unit of dry measure, equivalent to about 111 L.
• sago5n. A powdered starch obtained from certain palms (Metroxylon spp., esp....
• salo4n. A type of fatback, or non-rendered underskin pig fat consumed in...
• scro6n. Scrotum.
• sego5n. A perennial bulb lily found in Western North America (Calochortus...
• selo4n. A village, in various Slavic regions.
• shoo7v. To induce someone or something to leave.
• siao4adj. Mad; crazy.
• sibo6interj. An expression of disbelief, equivalent to Is it so?
• silo4n. A vertical building, usually cylindrical, used for the production of...
• soho7interj. Ho; halloo; a word used in calling from a distant place.
• soko8n. A species of African ape, supposedly a variety of the chimpanzee.
• solo4n. A piece of music for one performer.
• sooo4adv. Elongated form of so.
• soto4n. A traditional Indonesian soup mainly composed of broth, meat, and...
• spoo6v. To spew (in several senses).
• suco6n. A village in East Timor.
• sudo5n. A Unix command that allows a user to run a program with the security...
• sumo6n. A stylised Japanese form of wrestling in which a wrestler loses if he...

T

• taco6n. A Mexican snack food made of a small tortilla (soft- or hard-shelled)...
• taho7n. A Philippine snack food made from sweetened flavoured tofu with sago...
• tako8n. The flesh of octopus as used in sushi.
• taro4n. Colocasia esculenta, raised as a food primarily for its corm, which...
• tayo7n. A garment like an apron, worn by indigenous South Americans.
• theo7n. The amount of a gambler's theoretical losses based on typical play.
• thoo7pron. Thou; singular informal form of you.
• thro7prep. Through.
• tifo7n. A form of choreography displayed by supporters on the terraces of an...
• tito4n. An uncle.
• tivo7v. To digitally record (a television show).
• toco6n. Synonym of toco toucan.
• togo5v. To go different ways; go asunder; diverge; split; part; differ.
• toho7interj. Tallyho (used to urge on a fox hunt).
• toko8n. A shop in the Netherlands selling mainly Asian food products, and...
• tomo6n. A shaft formed in limestone rock dissolved by groundwater.
• topo6n. A topographic map.
• toro4n. A traditional Japanese lantern.
• toto4n. Only used in in toto.
• toxo11n. Toxoplasmosis.
• toyo7n. Soy sauce.
• trio4n. A group of three people or things.
• tuco6n. A tomato-based pasta sauce, similar to a ragout or bolognese...
• typo9n. A typographical error.
• tyro7n. A beginner; a novice.

U

• uggo6adj. Ugly.
• umbo8n. The boss of a shield, at or near the middle and usually projecting...
• unco6adj. Strange, weird.
• undo5v. To reverse the effects of an action.
• unio4n. Any of the genus Unio of freshwater mussels.
• unto4conj. Up to the time or degree that; until.
• updo7n. A woman's hairdo in which most hair is kept above the neck.

V

• vato7n. A Hispanic youth; a guy; a dude.
• veto7n. A political right to disapprove of (and thereby stop) the process of a...
• vino7n. Wine.

W

• wado8interj. Thank you.
• wago8n. A Japanese word of native Japanese origin, not a loanword from outside...
• wero7n. A traditional Māori challenge, performed to ensure that visitors come...
• whio10n. The blue duck (Hymenolaimus malacorhynchos) of New Zealand.
• whoo10interj. An expression of joy and excitement.
• wido8adj. Aware of what is going on; fly, alert.
• wino7n. A wine enthusiast.

X

• xiao11n. A type of Chinese flute.
• xylo14n. Xylophone.

Y

• yano7n. Synonym of shabono (“communal hut built by the Yanomamo people”).
• yayo10n. Cocaine.
• yebo9adv. Yes.
• yobo9n. A soldier's female Korean lover or hired prostitute.
• yoho10interj. Synonym of yo-ho-ho.
• yuko11n. The score for a throw that lands the opponent on his or her side.

Z

• zero13n. The numeric symbol that represents the cardinal number zero.
• zino13n. The superpartner of the Z-boson.

Questions about these words

How many four-letter words ending in O are there?

Word.ws lists 312 four-letter words ending in O, plus 44 rare ones.

What are common four-letter words ending in O?

also, into, onto, hero, zero, solo, info and auto.

Which of the four-letter words ending in O has the highest letter score?

jojo scores 18 points with the standard letter tile values.

Related word lists

• 4-Letter Words
• Words Ending in O
• 4-Letter Words Starting with O
• 3-Letter Words Ending in O
• 5-Letter Words Ending in O
• Q Words Without U