Words Containing O

Q: How many words contain "O"?

79,367 valid English words contain the letter O.

Q: Best Scrabble word containing O?

HYPOPHYSECTOMIZING at 48 pts before bonuses.

Q: Longest word containing O?

ELECTROENCEPHALOGRAPHICALLY — 27 letters.

There are 79,367 English words that contain the letter O. Range: AARDWOLF to ZYMOTIC. The Scrabble® high-scorer is HYPOPHYSECTOMIZING at 48 points; the longest is ELECTROENCEPHALOGRAPHICALLY (27 letters). Perfect for tricky Q- and Z-heavy racks in Scrabble and Words With Friends. Roughly 9% of these words end in E, so an E-hook on the board is worth watching for.

By length — 79,367 words containing O

Long lists are easier to browse split by word length. Pick a length to see just those words:

A

Point values shown are Scrabble® (letters only, before board bonuses). Browse deeper via the word-lists hub.

Showing the first 600 of 79,367 words. Use the pattern search to narrow further, or filter with the unscrambler.

Top 10 highest-scoring words

Scored on letters only (no board bonuses). WWF uses different tile values from Scrabble — J, Q and Z are worth 10 points in WWF; X is worth 8.

#	Word	Scrabble	WWF
1	hypophysectomizing	48	50
2	electroencephalographically	47	55
3	carboxymethylcelluloses	47	53
4	hypophysectomized	47	47
5	carboxymethylcellulose	46	52
6	phosphoglyceraldehydes	46	47
7	hypophysectomizes	46	46
8	psychophysiologically	45	48
9	phosphoglyceraldehyde	45	46
10	hypophysectomize	45	45

What these words mean

hypophysectomizing: Valid 18-letter English word — definition not on file.
electroencephalographically: Valid 27-letter English word — definition not on file.
carboxymethylcelluloses: Valid 23-letter English word — definition not on file.
hypophysectomized: Valid 17-letter English word — definition not on file.
carboxymethylcellulose: Valid 22-letter English word — definition not on file.
phosphoglyceraldehydes: Valid 22-letter English word — definition not on file.
hypophysectomizes: Valid 17-letter English word — definition not on file.
psychophysiologically: Valid 21-letter English word — definition not on file.
phosphoglyceraldehyde: Valid 21-letter English word — definition not on file.
hypophysectomize: Valid 16-letter English word — definition not on file.

Definitions from the Free Dictionary API, cached for repeat visits.

FAQs

How many words contain "O"?

79,367 valid English words contain O.

Best Scrabble word containing O?

HYPOPHYSECTOMIZING at 48 pts.

Longest word containing O?

ELECTROENCEPHALOGRAPHICALLY (27 letters).