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Is INVESTIGATION a valid Scrabble word?

Yes, INVESTIGATION is a valid word in US Scrabble and UK Scrabble, worth 17 points.

Base score before bonus squares; blank tiles score zero.

What does INVESTIGATION mean?

  1. noun

    an inquiry into unfamiliar or questionable activities

    “there was a congressional probe into the scandal”

  2. noun

    the work of inquiring into something thoroughly and systematically

Definitions from WordNet 3.1, Princeton University.

Points

17

Scrabble

21

Words With Friends

13

Letters

I (1) + N (1) + V (4) + E (1) + S (1) + T (1) + I (1) + G (2) + A (1) + T (1) + I (1) + O (1) + N (1) = 17 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 INVESTIGATION

Single letters that turn INVESTIGATION 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 INVESTIGATION

The 60 highest-scoring words using these letters.

Study INVESTIGATION and related words

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