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Is FIBRILLATE a valid Scrabble word?

Yes, FIBRILLATE is a valid word in US Scrabble and UK Scrabble, worth 15 points.

Base score before bonus squares; blank tiles score zero.

What does FIBRILLATE mean?

  1. verb

    make fine, irregular, rapid twitching movements

    “His heart fibrillated and he died”

Definitions from WordNet 3.1, Princeton University.

Points

15

Scrabble

18

Words With Friends

10

Letters

F (4) + I (1) + B (3) + R (1) + I (1) + L (1) + L (1) + A (1) + T (1) + E (1) = 15 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 FIBRILLATE

Single letters that turn FIBRILLATE 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 hooks2

Words you can make from FIBRILLATE

The 60 highest-scoring words using these letters.

Study FIBRILLATE and related words

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