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Is ATTOSECONDS a valid Scrabble word?

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

Base score before bonus squares; blank tiles score zero.

What does ATTOSECONDS mean?

Attoseconds is a form of ATTOSECOND.

  1. noun

    one quintillionth (10^-18) of a second; one thousandth of a femtosecond

Definitions from WordNet 3.1, Princeton University.

Points

Scrabble
14
Words With Friends
n/a
Letters
11

A (1) + T (1) + T (1) + O (1) + S (1) + E (1) + C (3) + O (1) + N (1) + D (2) + S (1) = 14 points in Scrabble.

Dictionary status

  • Scrabble (US & Canada)Valid
  • Scrabble (UK & worldwide)Valid
  • Words With FriendsNot listed

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 ATTOSECONDS

ATTOSECONDS 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 ATTOSECONDS

The 60 highest-scoring words using these letters.

Study ATTOSECONDS and related words

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