3-Letter Words Starting with O
There are 85 three-letter words that start with O on Word.ws, from oaf to oxy. The most common are one, out, our, off and old.
Meanings from Wiktionary. Not an official Scrabble, Words With Friends or Wordle word list.
All 85 three-letter words that start with O
OA
- oaf6n. A person, especially a large male, who is clumsy or a simpleton.
- oak7n. A deciduous tree with distinctive deeply lobed leaves, acorns, and...
- oar3n. A type of lever used to propel a boat, having a flat blade at one end...
- oat3n. Widely cultivated cereal grass, typically Avena sativa.
OB
- oba5n. A king of a Yoruba polity.
- obe5n. A particular subdivision of ancient Laconia.
- obi5n. A sash worn with a kimono.
- obs5n. Police observation.
OC
- oca5n. Any member of the species Oxalis tuberosa (syn. Oxalis crenata), which...
- och8interj. General interjection of confirmation, affirmation, and often...
- ock9n. A man of Middle Eastern descent that runs a deli or bodega, typically...
OD
- oda4n. A room within a harem.
- odd5adj. Differing from what is usual, ordinary or expected.
- ode4n. A short poetical composition proper to be set to music or sung; a lyric...
- ods4interj. God's.
OE
- oes3n. Small circle-shaped sequins of precious metal sewn to clothing for...
OF
- off9adv. In a direction away from the speaker or other reference point.
- ofo6n. An Igbo staff of authority.
- oft6adv. Often; frequently; not rarely.
OG
- oga4n. A chief, employer, or superior.
- ogi4n. A fermented cereal porridge from West Africa, typically made from...
- ogo4n. Ogonori.
OH
- ohm8n. In the International System of Units, the derived unit of electrical...
- oho6interj. Expressing surprise or gloating realisation; aha.
- ohu6n. A kind of rural commune established in New Zealand under a government...
OI
OK
- oka7n. A former Turkish, Egyptian, Hungarian, and Romanian unit of weight...
- oke7n. Man; guy; bloke.
OL
- old4adj. Of an object, concept, relationship, etc., having existed for a...
- ole3interj. An interjection used to stir up excitement.
- olf6n. A unit measuring the strength of an olfactory pollution source as...
- olm5n. Proteus anguinus, a cave-dwelling neotenous salamander with external...
- olo3n. A highly saturated impossible color shade of blue-green produced by...
OM
- oma5n. Grandmother, grandma.
- ome5n. The totality of a certain type of biological entity in an organism...
- omi5n. A man.
- omo5interj. An exclamation of surprise or shock: oh my god, woah.
- omy8adj. Mellow, as land.
ON
- onc5n. Oncology.
- one3pron. One thing (among a group of others); one member of a group.
- oni3n. A Japanese evil spirit or demon.
- ono3adj. Good-tasting, delicious.
- onz12adj. Taking place.
OO
- oof6interj. A sound mimicking the loss of air, as if someone's solar plexus had...
- ooh6interj. An expression of surprise.
- ook7interj. Used to represent the sound of the cry of an ape or monkey.
- ool3n. A swimming pool into which urinating is not allowed.
- oom5n. An older man, especially an uncle. (Frequently as a respectful form of...
- oon3n. An oven.
- oop5interj. Used to acknowledge a small mistake or accident.
- oot3pron. Anything.
OP
- opa5n. Grandfather, grandpa.
- ope5interj. An exclamation of surprise; oops.
- opo5n. The calabash or bottle gourd.
- opp7n. An opponent; an enemy; the opposition.
- ops5n. Operations.
- opt5v. To choose; select.
OR
- ora3n. A unit of money among the Anglo-Saxons.
- orb5n. A spherical body; a sphere, especially one of the celestial spheres; a...
- orc5n. A mythical evil monstrous humanoid creature, usually quite aggressive...
- ord4n. A point.
- ore3n. Rock or other material that contains valuable or utilitarian materials...
- orf6n. An exanthemous disease caused by a parapox virus, occurring primarily...
- orh6interj. Oh, OK; expression of understanding or acknowledgment.
- orl3n. An alder tree.
- orn3v. To ornament; to adorn.
- orp5v. To complain, grumble, or be discontented.
- ort3n. A fragment; a scrap of leftover food; any remainder; a piece of refuse.
OS
- ose3n. An esker.
- osh6n. A Tajik dish of rice cooked with meat and oil; a kind of pilaf.
- oss3v. To set about, or intend be inclined to set about (doing something).
OT
- oto3n. An otocinclus (freshwater fish, genus Otocinclus).
OU
- oud4n. A short-necked and fretless plucked stringed instrument of the lute...
- oui3interj. Synonym of yes.
- our3det. Belonging to us, excluding the person(s) being addressed (exclusive...
- out3adv. Away from the inside or centre.
OW
- owd7adj. Old.
- owe6v. To be under an obligation to give something back to someone or to...
- owl6n. Any of various birds of prey of the order Strigiformes, families...
- own6adj. Belonging to; possessed; acquired and designated by; proper to...
- owt6pron. Aught, anything.
OX
Questions about these words
- How many three-letter words that start with O are there?
- Word.ws lists 85 three-letter words that start with O.
- What are common three-letter words that start with O?
- one, out, our, off, old, own, oil and odd.
- Which of the three-letter words that start with O has the highest letter score?
- oxy scores 13 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: “3-Letter Words Starting with O: 85 Words.” Word.ws, https://word.ws/words/3-letter/starting-with-o. Based on Wiktionary, CC BY-SA 4.0.