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Is CALCIFEROUS a valid Scrabble word?

Yes, CALCIFEROUS is a valid word in US Scrabble and UK Scrabble, worth 18 points.

Base score before bonus squares; blank tiles score zero.

What does CALCIFEROUS mean?

  1. adjective

    bearing or producing or containing calcium or calcium carbonate or calcite

Definitions from WordNet 3.1, Princeton University.

Points

18

Scrabble

22

Words With Friends

11

Letters

C (3) + A (1) + L (1) + C (3) + I (1) + F (4) + E (1) + R (1) + O (1) + U (1) + S (1) = 18 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 CALCIFEROUS

CALCIFEROUS 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 CALCIFEROUS

The 60 highest-scoring words using these letters.

Study CALCIFEROUS and related words

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