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Is MOSAICISM a valid Scrabble word?

Yes, MOSAICISM is a valid word in US Scrabble and UK Scrabble, worth 15 points.

Base score before bonus squares; blank tiles score zero.

What does MOSAICISM mean?

  1. noun

    the condition in which an organism has two or more cell populations that differ in genetic makeup

Definitions from WordNet 3.1, Princeton University.

Points

15

Scrabble

18

Words With Friends

9

Letters

M (3) + O (1) + S (1) + A (1) + I (1) + C (3) + I (1) + S (1) + M (3) = 15 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 MOSAICISM

Single letters that turn MOSAICISM 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

Words you can make from MOSAICISM

The 60 highest-scoring words using these letters.

Study MOSAICISM and related words

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