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Is RADIATION a valid Scrabble word?

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

Base score before bonus squares; blank tiles score zero.

What does RADIATION mean?

  1. noun

    energy that is radiated or transmitted in the form of rays or waves or particles

  2. noun

    the act of spreading outward from a central source

  3. noun

    syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions); low doses cause diarrhea and nausea and vomiting and sometimes loss of hair; greater exposure can cause sterility and cataracts and some forms of cancer and other diseases; severe exposure can cause death within hours

    “he was suffering from radiation”

  4. noun

    the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay

Definitions from WordNet 3.1, Princeton University.

Points

10

Scrabble

11

Words With Friends

9

Letters

R (1) + A (1) + D (2) + I (1) + A (1) + 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 RADIATION

Single letters that turn RADIATION 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 RADIATION

The 60 highest-scoring words using these letters.

Study RADIATION and related words

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