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Is IMMUTABLE a valid Scrabble word?

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

Base score before bonus squares; blank tiles score zero.

What does IMMUTABLE mean?

  1. adjective

    not subject or susceptible to change or variation in form or quality or nature

    “the view of that time was that all species were immutable, created by God”

  2. adjective

    constant and unchanging

    “the immutable laws of nature”

Definitions from WordNet 3.1, Princeton University.

Points

15

Scrabble

20

Words With Friends

9

Letters

I (1) + M (3) + M (3) + U (1) + T (1) + A (1) + B (3) + L (1) + E (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 IMMUTABLE

IMMUTABLE 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 IMMUTABLE

The 60 highest-scoring words using these letters.

Study IMMUTABLE and related words

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