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Is DIOXIDE a valid Scrabble word?

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

Base score before bonus squares; blank tiles score zero.

What does DIOXIDE mean?

  1. noun

    an oxide containing two atoms of oxygen in the molecule

Definitions from WordNet 3.1, Princeton University.

Points

16

Scrabble

16

Words With Friends

7

Letters

D (2) + I (1) + O (1) + X (8) + I (1) + D (2) + E (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 DIOXIDE

Single letters that turn DIOXIDE 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 DIOXIDE

The 31 highest-scoring words using these letters.

Study DIOXIDE and related words

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