Words that start with O
There are 8,651 words that start with O in our dictionary, from short two-letter plays up to long fifteen-letter words. O is the roundest vowel and the seed of plenty of onomatopoeia, from oink to ooze.
Find these words in your tiles
Use ? or * for blank tiles. Shorter words are included too. Dictionary loads on your first search.
Below is a browsable sample sorted from shortest to longest, with the Scrabble value of each word. Common openers here include ob, od, oe, of and oh. To find only the O words you can build from a specific rack, drop your tiles into the solver at the top.
Highest-scoring words that start with o
| Word | Score | Length |
|---|---|---|
| oxyphenbutazone | 41 | 15 |
| objectivizing | 37 | 13 |
| objectivized | 36 | 12 |
| objectivizes | 35 | 12 |
| overemphasizing | 35 | 15 |
| objectivize | 34 | 11 |
| oophorectomized | 34 | 15 |
| overemphasized | 34 | 14 |
| overhomogenized | 34 | 15 |
| oxyrhynchuses | 34 | 13 |
Words that start with O (8,651)
Showing the first 300 of 8,651. Use the solver above to filter to your tiles.
5-letter words 59
4-letter words 156
3-letter words 69
Frequently asked questions
How many words start with O?
Our word list contains 8,651 words beginning with the letter O, covering lengths from two to fifteen letters.
What is a good O word for Scrabble?
OXYPHENBUTAZONE is one of the highest-scoring words that starts with O at 41 points before any bonus squares. Shorter high-value O words are handy when space is tight.
What is a two-letter word that starts with O?
OB is a valid two-letter word starting with O. Two-letter words are the easiest way to score when the board is crowded.