Dictionary Only:
Explicit Words:

12-Letter Words That Start With: OS

There are 37 12-letter words, 3 12-letter phrases and 0 12-letter abbr's that start with OS.

Best Scoring

RankWordSave?LengthUsagePointsType
1ostracizable12
25 adjectiveadj
2osteichthyan12
23 noun, adjectiven, adj
3oscillograph12
20 nounn
4oscilloscope12
18 nounn
5osteomalacic12
18 adjectiveadj
6ostreophages12
18 nounn
7ossification12
17 nounn
8ostracoderms12
17 nounn
9osteopathies12
17 nounn
10oscillograms12
17 nounn
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Tip: Scrabble EU allows far more words than US! Also change the max length to see more words.

All 12 Letter Words

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