Words That Start with OA
There are 26 words that start with OA on Word.ws, from 3 to 11 letters. The most common length is 4 letters (7 words). The words used most often are oak, oath, oaks, oasis and oats.
Meanings from Wiktionary. Not an official Scrabble, Words With Friends or Wordle word list.
3-letter words that start with OA
4-letter words that start with OA
- oaks8n. A stakes race in which entry is restricted to 3-year-old fillies.
- oaky11adj. Resembling or characteristic of the oak tree or its wood.
- oart4n. A coconut plantation.
- oast4n. A kiln for drying tobacco, malt and especially hops.
- oath7n. A solemn pledge or promise that invokes a deity, a ruler, or another...
- oats4n. A mass of oat plants (genus Avena, especially Avena sativa).
- oaty7adj. Containing oats.
5-letter words that start with OA
- oaked10adj. Of a wine: aged in oak so that it acquires flavor from tannins in the...
- oaken9adj. Made from the wood of the oak tree. Also in metaphorical uses...
- oakum11n. Coarse fibres separated by hackling from flax or hemp when preparing...
- oared6adj. Having oars.
- oasis5n. A spring of fresh water, surrounded by a fertile region of vegetation...
- oaten5adj. Of, pertaining to, or made of oats.
6-letter words that start with OA
- oafish12adj. Characteristic of or resembling an oaf; clumsy, stupid.
7-letter words that start with OA
- oakleaf14n. The leaf of the oak.
- oakmoss13n. Evernia prunastri, a lichen found primarily on oak trees and used in...
- oakwood15n. A wood populated with oak trees.
- oarfish13n. A large, greatly elongated, type of fish of the family Regalecidae.
- oarsman9n. A person who rows a boat, either alone or with others.
- oatcake13n. Any of many flat biscuits, or cakes, made from oatmeal.
- oatmeal9n. Meal made from rolled or round oats.
11-letter words that start with OA
- oathbreaker20n. Someone who breaks an oath; a perjurer.
62 rare words that start with OA
- oafdom
- oafishly
- oafishness
- oaflike
- oakbark
- oakenshaw
- oakiness
- oakless
- oaklet
- oaklike
- oakling
- oakness
- oaktag
- oakware
- oakworm
- oangium
- oarage
- oarhole
- oarless
- oarlessness
- oarlike
- oarlock
- oarsmanship
- oarsperson
- oarswoman
- oarweed
- oary
- oasal
- oasean
- oasification
- oasisless
- oasislike
- oasitic
- oatbread
- oateater
- oatenmeal
- oater
- oatflake
- oatgrass
- oathable
- oathbound
- oathbreach
- oathbreaking
- oathful
- oathless
- oathlet
- oathlike
- oathmaker
- oathsex
- oathsworn
- oathtaker
- oathtaking
- oathworthy
- oatie
- oatiness
- oatlage
- oatless
- oatlike
- oatmealish
- oatmealy
- oatstraw
- oatsy
Questions about these words
- How many words that start with OA are there?
- Word.ws lists 26 words that start with OA, plus 62 rare ones.
- What are common words that start with OA?
- oak, oath, oaks, oasis, oats, oatmeal, oat and oar.
- Which of the words that start with OA has the highest letter score?
- oathbreaker scores 20 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 OA: 26 Words by Length.” Word.ws, https://word.ws/words/starting-with-oa. Based on Wiktionary, CC BY-SA 4.0.