9-Letter PrefixOpen in Word Finder
9-Letter Words Starting With OO
Discover all 9 verified 9-letter English words that start with "OO". The highest-scoring word in this group is OOMPAHING (17 Scrabble points), and 0 are high-frequency words in modern English usage.
Total Words: 9
Top Word: OOMPAHING (17 pts)
Common Words: 0
OOMPAHING
17
OOLACHANS
14
OOSPHERES
14
OOGAMETES
12
OOGENETIC
12
OOGONIUMS
12
OOGENESES
10
OOGENESIS
10
OOLOGISTS
10
Showing 9 of 9 matching words
Solving Strategy & Board Placement Guidance
When opening a turn with a prefix like "OO", look for high-value tile hooks. In Wordle or crossword puzzles, pinning OO in the initial slot eliminates non-matching prefixes immediately.