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Is DIAGNOSIS a valid Scrabble word?

Yes, DIAGNOSIS is a valid word in US Scrabble and UK Scrabble, worth 11 points.

Base score before bonus squares; blank tiles score zero.

What does DIAGNOSIS mean?

  1. noun

    identifying the nature or cause of some phenomenon

Definitions from WordNet 3.1, Princeton University.

Points

11

Scrabble

13

Words With Friends

9

Letters

D (2) + I (1) + A (1) + G (2) + N (1) + O (1) + S (1) + I (1) + S (1) = 11 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 DIAGNOSIS

DIAGNOSIS 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 DIAGNOSIS

The 60 highest-scoring words using these letters.

Study DIAGNOSIS and related words

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