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Is CARDIOID a valid Scrabble word?

Yes, CARDIOID is a valid word in US Scrabble and UK Scrabble, worth 12 points.

Base score before bonus squares; blank tiles score zero.

What does CARDIOID mean?

  1. noun

    an epicycloid in which the rolling circle equals the fixed circle

Definitions from WordNet 3.1, Princeton University.

Points

12

Scrabble

13

Words With Friends

8

Letters

C (3) + A (1) + R (1) + D (2) + I (1) + O (1) + I (1) + D (2) = 12 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 CARDIOID

Single letters that turn CARDIOID 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 CARDIOID

The 60 highest-scoring words using these letters.

Study CARDIOID and related words

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