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Is RADIOACTIVITIES a valid Scrabble word?

Yes, RADIOACTIVITIES is a valid word in US Scrabble and UK Scrabble, worth 21 points.

Base score before bonus squares; blank tiles score zero.

What does RADIOACTIVITIES mean?

Radioactivities is a form of RADIOACTIVITY.

  1. noun

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

Definitions from WordNet 3.1, Princeton University.

Points

Scrabble
21
Words With Friends
23
Letters
15

R (1) + A (1) + D (2) + I (1) + O (1) + A (1) + C (3) + T (1) + I (1) + V (4) + I (1) + T (1) + I (1) + E (1) + S (1) = 21 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 RADIOACTIVITIES

RADIOACTIVITIES has no one-letter front or back hooks in US Scrabble. Adding a single letter to either end does not make another word in that list.

Front hooks0

None. Nothing can be added to the front.

Back hooks0

None. Nothing can be added to the end.

Words you can make from RADIOACTIVITIES

The 60 highest-scoring words using these letters.

Study RADIOACTIVITIES and related words

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