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There are 6 ten-letter words containing EFFIC

EFFICACIES• efficacies n. Plural of efficacy.
• EFFICACY n. effectiveness.
EFFICACITY• efficacity n. Efficacy.
• EFFICACITY n. the state of being efficacious.
EFFICIENCE• efficience n. Archaic form of efficiency.
• EFFICIENCE n. (archaic) efficiency, also EFFICIENCY.
EFFICIENCY• efficiency n. The extent to which time is well used for the intended task.
• efficiency n. (Dated) The quality of producing an effect or effects.
• efficiency n. The extent to which a resource is used for the intended purpose; the ratio of useful work to energy expended.
EFFICIENTS• efficients n. Plural of efficient.
• EFFICIENT n. a trained soldier, esp. one volunteering for service.
INEFFICACY• inefficacy n. The condition of being ineffective.
• INEFFICACY n. lack of power to produce a desired effect, also INEFFICACITY.

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 WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 7 words
  • Scrabble in French: 5 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 6 words
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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