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Is DIFFUSION a valid Scrabble word?

Yes, DIFFUSION is a valid word in US Scrabble and UK Scrabble, worth 16 points.

Base score before bonus squares; blank tiles score zero.

What does DIFFUSION mean?

  1. noun

    (physics) the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration

  2. noun

    the spread of social institutions (and myths and skills) from one society to another

  3. noun

    the property of being diffused or dispersed

  4. noun

    the act of dispersing or diffusing something

    “the dispersion of the troops”

Definitions from WordNet 3.1, Princeton University.

Points

16

Scrabble

18

Words With Friends

9

Letters

D (2) + I (1) + F (4) + F (4) + U (1) + S (1) + I (1) + O (1) + N (1) = 16 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 DIFFUSION

Single letters that turn DIFFUSION 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 DIFFUSION

The 60 highest-scoring words using these letters.

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