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Is EXOSTOSES a valid Scrabble word?

Yes, EXOSTOSES is a valid word in US Scrabble and UK Scrabble, worth 16 points.

Base score before bonus squares; blank tiles score zero.

What does EXOSTOSES mean?

Exostoses is a form of EXOSTOSIS.

  1. noun

    a benign outgrowth from a bone (usually covered with cartilage)

Definitions from WordNet 3.1, Princeton University.

Points

Scrabble
16
Words With Friends
16
Letters
9

E (1) + X (8) + O (1) + S (1) + T (1) + O (1) + S (1) + E (1) + S (1) = 16 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 EXOSTOSES

EXOSTOSES 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 EXOSTOSES

The 51 highest-scoring words using these letters.

Study EXOSTOSES and related words

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