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Is CALX a valid Scrabble word?

Yes, CALX is a valid word in US Scrabble and UK Scrabble, worth 13 points.

Base score before bonus squares; blank tiles score zero.

What does CALX mean?

  1. noun

    a white crystalline oxide used in the production of calcium hydroxide

Definitions from WordNet 3.1, Princeton University.

Points

Scrabble
13
Words With Friends
15
Letters
4

C (3) + A (1) + L (1) + X (8) = 13 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 CALX

CALX 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 CALX

The 6 highest-scoring words using these letters.

Study CALX and related words

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