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Is COSMOS a valid Scrabble word?

Yes, COSMOS is a valid word in US Scrabble and UK Scrabble, worth 10 points.

Base score before bonus squares; blank tiles score zero.

What does COSMOS mean?

  1. noun

    everything that exists anywhere

    “they study the evolution of the universe”

  2. noun

    any of various mostly Mexican herbs of the genus Cosmos having radiate heads of variously colored flowers and pinnate leaves; popular fall-blooming annuals

Definitions from WordNet 3.1, Princeton University.

Points

10

Scrabble

12

Words With Friends

6

Letters

C (3) + O (1) + S (1) + M (3) + O (1) + S (1) = 10 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 COSMOS

COSMOS has no one-letter front or back hooks in US Scrabble. Adding a single letter to either end does not make another word in that list.

Front hooks0

None — nothing can be added to the front.

Back hooks0

None — nothing can be added to the end.

Words you can make from COSMOS

The 21 highest-scoring words using these letters.

Study COSMOS and related words

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