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Is ISOMORPHIC a valid Scrabble word?

Yes, ISOMORPHIC is a valid word in US Scrabble and UK Scrabble, worth 19 points.

Base score before bonus squares; blank tiles score zero.

What does ISOMORPHIC mean?

  1. adjective

    having similar appearance but genetically different

Definitions from WordNet 3.1, Princeton University.

Points

19

Scrabble

21

Words With Friends

10

Letters

I (1) + S (1) + O (1) + M (3) + O (1) + R (1) + P (3) + H (4) + I (1) + C (3) = 19 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 ISOMORPHIC

ISOMORPHIC 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 ISOMORPHIC

The 60 highest-scoring words using these letters.

Study ISOMORPHIC and related words

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