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Is CITRULLINE a valid Scrabble word?

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

Base score before bonus squares; blank tiles score zero.

What does CITRULLINE mean?

  1. noun

    an amino acid that does not occur in proteins but is an intermediate in the conversion of ornithine to arginine

Definitions from WordNet 3.1, Princeton University.

Points

Scrabble
12
Words With Friends
17
Letters
10

C (3) + I (1) + T (1) + R (1) + U (1) + L (1) + L (1) + I (1) + N (1) + E (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 CITRULLINE

Single letters that turn CITRULLINE 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 CITRULLINE

The 60 highest-scoring words using these letters.

Study CITRULLINE and related words

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