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Is EXPANSION a valid Scrabble word?

Yes, EXPANSION is a valid word in US Scrabble and UK Scrabble, worth 18 points.

Base score before bonus squares; blank tiles score zero.

What does EXPANSION mean?

  1. noun

    the act of increasing (something) in size or volume or quantity or scope

  2. noun

    a function expressed as a sum or product of terms

    “the expansion of (a+b)^2 is a^2 + 2ab + b^2”

  3. noun

    a discussion that provides additional information

  4. noun

    adding information or detail

Definitions from WordNet 3.1, Princeton University.

Points

18

Scrabble

21

Words With Friends

9

Letters

E (1) + X (8) + P (3) + A (1) + N (1) + S (1) + I (1) + O (1) + N (1) = 18 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 EXPANSION

Single letters that turn EXPANSION 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 EXPANSION

The 60 highest-scoring words using these letters.

Study EXPANSION and related words

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