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Is PENTOXIDE a valid Scrabble word?

Yes, PENTOXIDE is a valid word in US Scrabble and UK Scrabble, worth 19 points.

Base score before bonus squares; blank tiles score zero.

What does PENTOXIDE mean?

  1. noun

    an oxide containing five atoms of oxygen in the molecule

Definitions from WordNet 3.1, Princeton University.

Points

19

Scrabble

21

Words With Friends

9

Letters

P (3) + E (1) + N (1) + T (1) + O (1) + X (8) + I (1) + D (2) + E (1) = 19 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 PENTOXIDE

Single letters that turn PENTOXIDE 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 PENTOXIDE

The 60 highest-scoring words using these letters.

Study PENTOXIDE and related words

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