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There are 13 words containing EFFICAC

EFFICACIESefficacies n. Plural of efficacy.
EFFICACY n. effectiveness.
EFFICACIOUSefficacious adj. (Formal) Effective; possessing efficacy.
EFFICACIOUS adj. having the power to produce a desired effect.
EFFICACIOUSLYefficaciously adv. In an efficacious manner.
EFFICACIOUS adv. having the power to produce a desired effect.
EFFICACIOUSNESSefficaciousness n. Quality of being efficacious.
EFFICACIOUS n. having the power to produce a desired effect.
EFFICACITIESefficacities n. Plural of efficacity.
EFFICACITY n. the state of being efficacious.
EFFICACITYefficacity n. Efficacy.
EFFICACITY n. the state of being efficacious.
EFFICACYefficacy n. Ability to produce a desired effect under ideal testing conditions.
efficacy n. Degree of ability to produce a desired effect; effectiveness.
EFFICACY n. effectiveness.
INEFFICACIESinefficacies n. Plural of inefficacy.
INEFFICACY n. lack of power to produce a desired effect, also INEFFICACITY.
INEFFICACIOUSinefficacious adj. Incapable of having the intended consequence.
inefficacious adj. Not effective.
INEFFICACIOUS adj. lacking the power to produce a desired effect.
INEFFICACIOUSLYinefficaciously adv. Without efficacy or effect.
INEFFICACIOUS adv. lacking the power to produce a desired effect.
INEFFICACITIESINEFFICACITY n. lack of power to produce a desired effect, also INEFFICACY.
INEFFICACITYINEFFICACITY n. lack of power to produce a desired effect, also INEFFICACY.
INEFFICACYinefficacy 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: 23 words
  • Scrabble in French: 10 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 10 words
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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