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Is MICROORGANISMS a valid Scrabble word?

Yes, MICROORGANISMS is a valid word in US Scrabble and UK Scrabble, worth 21 points.

Base score before bonus squares; blank tiles score zero.

What does MICROORGANISMS mean?

Microorganisms is a form of MICROORGANISM.

  1. noun

    any organism of microscopic size

Definitions from WordNet 3.1, Princeton University.

Points

Scrabble
21
Words With Friends
26
Letters
14

M (3) + I (1) + C (3) + R (1) + O (1) + O (1) + R (1) + G (2) + A (1) + N (1) + I (1) + S (1) + M (3) + S (1) = 21 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 MICROORGANISMS

MICROORGANISMS 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 MICROORGANISMS

The 60 highest-scoring words using these letters.

Study MICROORGANISMS and related words

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