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Is MASTOIDECTOMY a valid Scrabble word?

Yes, MASTOIDECTOMY is a valid word in US Scrabble and UK Scrabble, worth 23 points.

Base score before bonus squares; blank tiles score zero.

What does MASTOIDECTOMY mean?

  1. noun

    surgical removal of some or all of the mastoid process

Definitions from WordNet 3.1, Princeton University.

Points

23

Scrabble

25

Words With Friends

13

Letters

M (3) + A (1) + S (1) + T (1) + O (1) + I (1) + D (2) + E (1) + C (3) + T (1) + O (1) + M (3) + Y (4) = 23 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 MASTOIDECTOMY

MASTOIDECTOMY 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 MASTOIDECTOMY

The 60 highest-scoring words using these letters.

Study MASTOIDECTOMY and related words

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