Is RADIOSTRONTIUMS a valid Scrabble word?

Yes, RADIOSTRONTIUMS is a valid word in US Scrabble and UK Scrabble, worth 18 points.

Base score before bonus squares; blank tiles score zero.

Points

Scrabble: 18
Words With Friends: 21
Letters: 15

R (1) + A (1) + D (2) + I (1) + O (1) + S (1) + T (1) + R (1) + O (1) + N (1) + T (1) + I (1) + U (1) + M (3) + S (1) = 18 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.

Definition

Looking for what Radiostrontiums means? Read the full definition, part of speech and example sentences on Wiktionary.

See the definition of Radiostrontiums

Hooks for RADIOSTRONTIUMS

RADIOSTRONTIUMS 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.

Study RADIOSTRONTIUMS and related words

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