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Is PHLOGISTON a valid Scrabble word?

Yes, PHLOGISTON is a valid word in US Scrabble and UK Scrabble, worth 16 points.

Base score before bonus squares; blank tiles score zero.

What does PHLOGISTON mean?

  1. noun

    a hypothetical substance once believed to be present in all combustible materials and to be released during burning

Definitions from WordNet 3.1, Princeton University.

Points

16

Scrabble

19

Words With Friends

10

Letters

P (3) + H (4) + L (1) + O (1) + G (2) + I (1) + S (1) + T (1) + O (1) + N (1) = 16 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 PHLOGISTON

Single letters that turn PHLOGISTON 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

Anagrams of PHLOGISTON

Words that use exactly the same letters.

Words you can make from PHLOGISTON

The 60 highest-scoring words using these letters.

Study PHLOGISTON and related words

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