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There are 4 thirteen-letter words containing EFFECTI

EFFECTIVENESSeffectiveness n. The property of being effective, of achieving results.
effectiveness n. The capacity or potential for achieving results.
effectiveness n. The degree to which something achieves results.
EFFECTIVITIESeffectivities n. Plural of effectivity.
EFFECTIVITY n. the state of being effective.
INEFFECTIVELYineffectively adv. In an ineffective manner; not producing any significant or desired effect.
INEFFECTIVE adv. not producing an intended effect.
NONEFFECTIVESnoneffectives n. Plural of noneffective.
NONEFFECTIVE n. a person who is not effective.

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: 12 words
  • Scrabble in French: 1 word
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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