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9-Letter Words Starting With OO

  • 14 words
  • All English dictionaries
  • Scrabble points
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All 9-Letter Words Starting With OO 14 words

How common is OO at the start of nine-letter words?

Our combined English word list has 14 nine-letter words that start with OO. They average 12.8 points, the best is OOMPAHING (17 points) and 78.6% end in S.

Total words
14
Average Scrabble score
12.8
out of 17 max
Everyday words
0%
common in ordinary English
Most common ending
S
78.6% of words

Most common last letters

  • s 78.6%
  • c 7.1%
  • g 7.1%

Top vowel pairs

  • oo100%
  • iu7.1%
  • ou7.1%

Share of words where these two vowels sit side by side.

Rare words worth knowing

Valid in this dictionary but rarely seen in everyday English.

Highest-scoring nine-letter word that starts with OO

o 1o 1m 3p 3a 1h 4i 1n 1g 2

O 1 + O 1 + M 3 + P 3 + A 1 + H 4 + I 1 + N 1 + G 2 = 17 points

Double word
34 pts
Triple word
51 pts

Face value of the tiles, then the whole word on a double- or triple-word square (letter bonuses and bingos not included).

oompahing

No dictionary definition on file. This is a valid game word that standard dictionaries rarely cover.

  • Scrabble US
  • Scrabble UK
  • Words With Friends

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9-Letter Words Starting With OO by the numbers

9-Letter Words Starting With OO FAQ

How many nine-letter words that start with OO are there?

There are 14 nine-letter words that start with OO in our combined English word list. Other dictionaries give different totals, so switch dictionary at the top of the list to compare.

What is the highest-scoring nine-letter word that starts with OO?

OOMPAHING is worth 17 points in Scrabble before any bonus squares. Other strong options are OOMYCETES (16), OOFTISHES (15), OOSPHERES (14).

Which rare nine-letter words that start with OO score well?

Uncommon but valid choices include OOMPAHING (17), OOMYCETES (16), OOFTISHES (15), OOLACHANS (14). Few players know them, so they can catch an opponent off guard.