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Is PROSTHESIS a valid Scrabble word?

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

Base score before bonus squares; blank tiles score zero.

What does PROSTHESIS mean?

  1. noun

    corrective consisting of a replacement for a part of the body

Definitions from WordNet 3.1, Princeton University.

Points

Scrabble
15
Words With Friends
15
Letters
10

P (3) + R (1) + O (1) + S (1) + T (1) + H (4) + E (1) + S (1) + I (1) + S (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 PROSTHESIS

PROSTHESIS 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.

Anagrams of PROSTHESIS

Words that use exactly the same letters.

Words you can make from PROSTHESIS

The 60 highest-scoring words using these letters.

Study PROSTHESIS and related words

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