Is COSEC a valid Scrabble word?
Yes, COSEC is a valid word in US Scrabble and UK Scrabble, worth 9 points.
Base score before bonus squares; blank tiles score zero.
What does COSEC mean?
- noun
ratio of the hypotenuse to the opposite side of a right-angled triangle
Definitions from WordNet 3.1, Princeton University.
Points
- Scrabble
- 9
- Words With Friends
- 11
- Letters
- 5
C (3) + O (1) + S (1) + E (1) + C (3) = 9 points in Scrabble.
Dictionary status
- Scrabble (US & Canada)Valid
- Scrabble (UK & worldwide)Valid
- Words With FriendsListed
Scrabble lists: NWL2023 (US & Canada) and CSW24 (UK & worldwide). WWF uses our ENABLE reference plus verified additions. “Listed” and “Not listed” describe that reference; check acceptance in the game. Sources reviewed 2026-10-03.
Hooks for COSEC
Single letters that turn COSEC into another valid word in US Scrabble. Hooks let you extend a word already on the board.
Front hooks0
None. Nothing can be added to the front.
Back hooks1
Anagrams of COSEC
Words that use exactly the same letters.
Words you can make from COSEC
The 12 highest-scoring words using these letters.
Study COSEC and related words
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