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Is OPSONIZATION a valid Scrabble word?

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

Base score before bonus squares; blank tiles score zero.

What does OPSONIZATION mean?

  1. noun

    process whereby opsonins make an invading microorganism more susceptible to phagocytosis

Definitions from WordNet 3.1, Princeton University.

Points

Scrabble
23
Words With Friends
n/a
Letters
12

O (1) + P (3) + S (1) + O (1) + N (1) + I (1) + Z (10) + A (1) + T (1) + I (1) + O (1) + N (1) = 23 points in Scrabble.

Dictionary status

  • Scrabble (US & Canada)Valid
  • Scrabble (UK & worldwide)Valid
  • Words With FriendsNot listed

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 OPSONIZATION

Single letters that turn OPSONIZATION 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 OPSONIZATION

The 60 highest-scoring words using these letters.

Study OPSONIZATION and related words

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