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Is COMMENSALISM a valid Scrabble word?

Yes, COMMENSALISM is a valid word in US Scrabble and UK Scrabble, worth 20 points.

Base score before bonus squares; blank tiles score zero.

What does COMMENSALISM mean?

  1. noun

    the relation between two different kinds of organisms when one receives benefits from the other without damaging it

Definitions from WordNet 3.1, Princeton University.

Points

20

Scrabble

26

Words With Friends

12

Letters

C (3) + O (1) + M (3) + M (3) + E (1) + N (1) + S (1) + A (1) + L (1) + I (1) + S (1) + M (3) = 20 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 COMMENSALISM

Single letters that turn COMMENSALISM 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 COMMENSALISM

The 60 highest-scoring words using these letters.

Study COMMENSALISM and related words

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