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Is CALCULUS a valid Scrabble word?

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

Base score before bonus squares; blank tiles score zero.

What does CALCULUS mean?

  1. noun

    a hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body

    “renal calculi can be very painful”

  2. noun

    an incrustation that forms on the teeth and gums

  3. noun

    the branch of mathematics that is concerned with limits and with the differentiation and integration of functions

Definitions from WordNet 3.1, Princeton University.

Points

12

Scrabble

18

Words With Friends

8

Letters

C (3) + A (1) + L (1) + C (3) + U (1) + L (1) + U (1) + S (1) = 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 CALCULUS

CALCULUS 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 CALCULUS

The 36 highest-scoring words using these letters.

Study CALCULUS and related words

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