Is OS a Valid Scrabble Word?
Yes — playable.
OS is in the ENABLE word list (the Words With Friends base dictionary, closely matching tournament Scrabble lists).
2
Scrabble points
2
WWF points
2
Letters
Letter Values
Anagrams of OS
Frequently Asked Questions
Is OS a valid Scrabble word?
Yes — OS appears in the public-domain ENABLE word list, the base dictionary for Words With Friends and a close match to tournament Scrabble lists. Base score: 2 points in Scrabble, 2 in Words With Friends.
How many points is OS worth?
OS scores 2 points in Scrabble and 2 points in Words With Friends, before any board multipliers (double/triple letter and word squares).
Which dictionary does this check use?
The public-domain ENABLE list (about 168,000 words) — the base list Words With Friends uses. It is very close to, but not identical to, the official NASPA and Collins tournament lists.