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Is TETRAHEDRON a valid Scrabble word?

Yes, TETRAHEDRON is a valid word in US Scrabble and UK Scrabble, worth 15 points.

Base score before bonus squares; blank tiles score zero.

What does TETRAHEDRON mean?

  1. noun

    any polyhedron having four plane faces

Definitions from WordNet 3.1, Princeton University.

Points

15

Scrabble

15

Words With Friends

11

Letters

T (1) + E (1) + T (1) + R (1) + A (1) + H (4) + E (1) + D (2) + R (1) + O (1) + N (1) = 15 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 TETRAHEDRON

Single letters that turn TETRAHEDRON 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 TETRAHEDRON

The 60 highest-scoring words using these letters.

Study TETRAHEDRON and related words

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