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Is RADII a valid Scrabble word?

Yes, RADII is a valid word in US Scrabble and UK Scrabble, worth 6 points.

Base score before bonus squares; blank tiles score zero.

What does RADII mean?

Radii is a form of RADIUS.

  1. noun

    the length of a line segment between the center and circumference of a circle or sphere

  2. noun

    a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)

  3. noun

    a circular region whose area is indicated by the length of its radius

    “they located it within a radius of 2 miles”

  4. noun

    the outer and slightly shorter of the two bones of the human forearm

Definitions from WordNet 3.1, Princeton University.

Points

Scrabble
6
Words With Friends
6
Letters
5

R (1) + A (1) + D (2) + I (1) + I (1) = 6 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 RADII

RADII 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 RADII

The 14 highest-scoring words using these letters.

Study RADII and related words

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