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Is REACTION a valid Scrabble word?

Yes, REACTION is a valid word in US Scrabble and UK Scrabble, worth 10 points.

Base score before bonus squares; blank tiles score zero.

What does REACTION mean?

  1. noun

    (chemistry) a process in which one or more substances are changed into others

    “there was a chemical reaction of the lime with the ground water”

  2. noun

    an idea evoked by some experience

    “his reaction to the news was to start planning what to do”

  3. noun

    a bodily process occurring due to the effect of some antecedent stimulus or agent

    “a bad reaction to the medicine”

  4. noun

    (mechanics) the equal and opposite force that is produced when any force is applied to a body

    “every action has an equal and opposite reaction”

Definitions from WordNet 3.1, Princeton University.

Points

10

Scrabble

12

Words With Friends

8

Letters

R (1) + E (1) + A (1) + C (3) + T (1) + I (1) + O (1) + N (1) = 10 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 REACTION

Single letters that turn REACTION 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

Anagrams of REACTION

Words that use exactly the same letters.

Words you can make from REACTION

The 60 highest-scoring words using these letters.

Study REACTION and related words

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