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Is ORTHOGONAL a valid Scrabble word?

Yes, ORTHOGONAL is a valid word in US Scrabble and UK Scrabble, worth 14 points.

Base score before bonus squares; blank tiles score zero.

What does ORTHOGONAL mean?

  1. adjective

    not pertinent to the matter under consideration

    “an issue extraneous to the debate”

  2. adjective

    statistically unrelated

  3. adjective

    having a set of mutually perpendicular axes; meeting at right angles

    “wind and sea may displace the ship's center of gravity along three orthogonal axes”

Definitions from WordNet 3.1, Princeton University.

Points

14

Scrabble

16

Words With Friends

10

Letters

O (1) + R (1) + T (1) + H (4) + O (1) + G (2) + O (1) + N (1) + A (1) + L (1) = 14 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 ORTHOGONAL

ORTHOGONAL has no one-letter front or back hooks in US Scrabble. Adding a single letter to either end does not make another word in that list.

Front hooks0

None — nothing can be added to the front.

Back hooks0

None — nothing can be added to the end.

Words you can make from ORTHOGONAL

The 60 highest-scoring words using these letters.

Study ORTHOGONAL and related words

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