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12-Letter Words Starting With OS

Found 23 12-letter words starting with OS

Highest Scrabble Score

The highest scoring 12-letter word starting with OS in Scrabble:

OSCILLOGRAPH20 pts
Highest Words With Friends Score

The highest scoring 12-letter word starting with OS in WWF:

OSCILLOGRAPH24 pts

About 12-Letter Words Starting With OS

This list contains valid 12-letter words that begin with OS. Longer words score higher in Scrabble due to premium tiles and the 50-point bingo bonus. Each word links to its definition page with anagrams and game scores.

12-Letter Words Starting With OS
oscillograph20oscilloscope18oscillograms17ossification17osteopathies17ostracoderms17osteoblastic16osteoclastic16osteomalacia16osteoplastic16osteoporotic16osteosarcoma16osteological15oscillations14osmolalities14osmolarities14osteoporoses14osteoporosis14osteogeneses13osteogenesis13osteologists13ostentations12ostentatious12
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All Starting With OS

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12-Letter Ending With OS

Words ending in OS