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Is SUPPOSITION a valid Scrabble word?

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

Base score before bonus squares; blank tiles score zero.

What does SUPPOSITION mean?

  1. noun

    a message expressing an opinion based on incomplete evidence

  2. noun

    a hypothesis that is taken for granted

    “any society is built upon certain assumptions”

  3. noun

    the cognitive process of supposing

Definitions from WordNet 3.1, Princeton University.

Points

15

Scrabble

19

Words With Friends

11

Letters

S (1) + U (1) + P (3) + P (3) + O (1) + S (1) + I (1) + T (1) + I (1) + O (1) + N (1) = 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 SUPPOSITION

Single letters that turn SUPPOSITION 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 SUPPOSITION

The 60 highest-scoring words using these letters.

Study SUPPOSITION and related words

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