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List of 15-letter words containing

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There are 3 fifteen-letter words containing A, 2F, N, 2S and U

EFFECTUALNESSESEFFECTUALNESS n. the state of being effectual.
EFFICACIOUSNESSefficaciousness n. Quality of being efficacious.
EFFICACIOUS n. having the power to produce a desired effect.
INEFFECTUALNESSineffectualness n. Inefficacy.
INEFFECTUALNESS n. the state of being ineffectual.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 26 words
  • Scrabble in French: 32 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 8 words
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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