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Is THERMOSPHERE a valid Scrabble word?

Yes, THERMOSPHERE is a valid word in US Scrabble and UK Scrabble, worth 22 points.

Base score before bonus squares; blank tiles score zero.

What does THERMOSPHERE mean?

  1. noun

    the atmospheric layer between the mesosphere and the exosphere

Definitions from WordNet 3.1, Princeton University.

Points

22

Scrabble

22

Words With Friends

12

Letters

T (1) + H (4) + E (1) + R (1) + M (3) + O (1) + S (1) + P (3) + H (4) + E (1) + R (1) + E (1) = 22 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 THERMOSPHERE

Single letters that turn THERMOSPHERE 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 THERMOSPHERE

The 60 highest-scoring words using these letters.

Study THERMOSPHERE and related words

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