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Words That Start With O

5,662 words that start with O, longest first. Common words lead each group; the number is the Scrabble score.

Words
5,662
Longest
objectification (15)
Best Scrabble score
oxyphenbutazone (41 pts)
Most common
of, on, one

15-letter words (159)

14-letter words (215)

13-letter words (305)

12-letter words (419)

Most common 11-letter words (60 of 591)

See all 591 11-letter words →

Most common 10-letter words (60 of 791)

See all 791 10-letter words →

Most common 9-letter words (60 of 922)

See all 922 9-letter words →

Most common 8-letter words (60 of 972)

See all 972 8-letter words →

Most common 7-letter words (60 of 618)

See all 618 7-letter words →

6-letter words (324)

5-letter words (181)

4-letter words (106)

3-letter words (45)

2-letter words (14)

Related word lists

Questions people ask

How many English words start with O?

Our ENABLE-based list has 5,662 playable words that start with O. Dictionaries differ slightly, so tournament players should check the official Scrabble list for borderline words.

What's the longest word that starts with O?

The longest is objectification, at 15 letters.

Still have a question? Ask us.

Numbers are Scrabble points (Words With Friends scores oxyphenbutazone at 44). Word list: ENABLE plus additions; use the word finder for blanks and board letters.