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Is STRATUM a valid Scrabble word?

Yes, STRATUM is a valid word in US Scrabble and UK Scrabble, worth 9 points.

Base score before bonus squares; blank tiles score zero.

What does STRATUM mean?

  1. noun

    one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock)

  2. noun

    people having the same social, economic, or educational status

    “the working class”

  3. noun

    an abstract place usually conceived as having depth

    “a good actor communicates on several levels”

  4. noun

    a subpopulation divided into a stratified sampling

Definitions from WordNet 3.1, Princeton University.

Points

9

Scrabble

11

Words With Friends

7

Letters

S (1) + T (1) + R (1) + A (1) + T (1) + U (1) + M (3) = 9 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 STRATUM

Single letters that turn STRATUM 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 STRATUM

The 60 highest-scoring words using these letters.

Study STRATUM and related words

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