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Is EFFECTIVITY a valid Scrabble word?

Yes, EFFECTIVITY is a valid word in US Scrabble and UK Scrabble, worth 25 points.

Base score before bonus squares; blank tiles score zero.

What does EFFECTIVITY mean?

  1. noun

    power to be effective; the quality of being able to bring about an effect

Definitions from WordNet 3.1, Princeton University.

Points

Scrabble
25
Words With Friends
26
Letters
11

E (1) + F (4) + F (4) + E (1) + C (3) + T (1) + I (1) + V (4) + I (1) + T (1) + Y (4) = 25 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 EFFECTIVITY

EFFECTIVITY 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 EFFECTIVITY

The 60 highest-scoring words using these letters.

Study EFFECTIVITY and related words

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