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Words That Start With O

There are 5,843 English words that start with the letter O, from OAF to OZONOUS. The highest-scoring word beginning with O in Scrabble® is OVERCOMMERCIALIZATIONS at 42 points, and the longest is OVERINTELLECTUALIZATIONS (24 letters). Use the list for Scrabble, Words With Friends, Wordscapes and crossword help. The longest entry here is OVERINTELLECTUALIZATIONS at 24 letters.

By length — 5,843 words starting with O

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

Word list

O

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

Showing the first 600 of 5,843 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.

#WordScrabbleWWF
1overcommercializations4249
2oxyphenbutazones4245
3overcommercialization4148
4oxyphenbutazone4144
5overcommercializing4048
6overcommercialized3945
7overintellectualizations3846
8overcommercializes3844
9overintellectualization3745
10overcommercialize3743

What these words mean

overcommercializations
Valid 22-letter English word — definition not on file.
oxyphenbutazones
Valid 16-letter English word — definition not on file.
overcommercialization
Valid 21-letter English word — definition not on file.
oxyphenbutazone
Valid 15-letter English word — definition not on file.
overcommercializing
Valid 19-letter English word — definition not on file.
overcommercialized
Valid 18-letter English word — definition not on file.
overintellectualizations
Valid 24-letter English word — definition not on file.
overcommercializes
Valid 18-letter English word — definition not on file.
overintellectualization
Valid 23-letter English word — definition not on file.
overcommercialize
Valid 17-letter English word — definition not on file.

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

Strategy for this list

O is worth 1 in Scrabble and starts ~3,500 words. O has three two-letter words (OE, OF, OH, OI, OM, ON, OP, OR, OS, OW, OX, OY) and combines beautifully with X, Z and Y for premium plays. O-openers with premium potential include OYEZ, OZONE, OXBLOOD. In Wordle, O is second-most-common in position 4 (SHOWN, ALONG, ABOUT) but less common in position 1.

FAQs

How many words start with O?

5,843 valid English words begin with O.

Best Scrabble word starting with O?

OVERCOMMERCIALIZATIONS at 42 pts.

Longest word starting with O?

OVERINTELLECTUALIZATIONS (24 letters).

Refine by length — words starting with O