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Is ISOAGGLUTININ a valid Scrabble word?

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

Base score before bonus squares; blank tiles score zero.

What does ISOAGGLUTININ mean?

  1. noun

    an antibody produced by one individual that causes agglutination of red blood cells in other individuals of the same species

Definitions from WordNet 3.1, Princeton University.

Points

15

Scrabble

21

Words With Friends

13

Letters

I (1) + S (1) + O (1) + A (1) + G (2) + G (2) + L (1) + U (1) + T (1) + I (1) + N (1) + I (1) + N (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 ISOAGGLUTININ

Single letters that turn ISOAGGLUTININ into another valid word in US Scrabble. Hooks let you extend a word already on the board.

Front hooks0

None — nothing can be added to the front.

Back hooks1

Words you can make from ISOAGGLUTININ

The 60 highest-scoring words using these letters.

Study ISOAGGLUTININ and related words

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