Words Containing IO

Q: How many words contain "IO"?

10,517 valid English words contain the sequence IO.

Q: Best Scrabble word containing IO?

PSYCHOPHYSIOLOGICALLY at 45 pts before bonuses.

Q: Longest word containing IO?

ELECTROCARDIOGRAPHICALLY — 24 letters.

There are 10,517 English words that contain the sequence IO. Range: ABBREVIATION to ZWITTERIONS. The Scrabble® high-scorer is PSYCHOPHYSIOLOGICALLY at 45 points; the longest is ELECTROCARDIOGRAPHICALLY (24 letters). Perfect for tricky Q- and Z-heavy racks in Scrabble and Words With Friends. The list is ordered alphabetically; use the filter box below to jump to a specific starting letter.

By length — 10,517 words containing IO

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

4-letter(14)
5-letter(51)
6-letter(134)
7-letter(287)
8-letter(519)
9-letter(790)
10-letter(1,084)
11-letter(1,421)
12-letter(1,506)
13-letter(1,430)
14-letter(1,133)
15-letter(844)

A

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

Showing the first 600 of 10,517 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	psychophysiologically	45	48
2	overcommercializations	42	49
3	anthropomorphizations	42	45
4	overcommercialization	41	48
5	anthropomorphization	41	44
6	subjectivizations	40	47
7	electrocardiographically	40	46
8	psychophysiological	40	43
9	subjectivization	39	46
10	hyperimmunizations	39	43

What these words mean

psychophysiologically: Valid 21-letter English word — definition not on file.
overcommercializations: Valid 22-letter English word — definition not on file.
anthropomorphizations: Valid 21-letter English word — definition not on file.
overcommercialization: Valid 21-letter English word — definition not on file.
anthropomorphization: Valid 20-letter English word — definition not on file.
subjectivizations: Valid 17-letter English word — definition not on file.
electrocardiographically: Valid 24-letter English word — definition not on file.
psychophysiological: Valid 19-letter English word — definition not on file.
subjectivization: Valid 16-letter English word — definition not on file.
hyperimmunizations: Valid 18-letter English word — definition not on file.

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

FAQs

How many words contain "IO"?

10,517 valid English words contain IO.

Best Scrabble word containing IO?

PSYCHOPHYSIOLOGICALLY at 45 pts.

Longest word containing IO?

ELECTROCARDIOGRAPHICALLY (24 letters).