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There are 2 eleven-letter words beginning with EFFECTIV

EFFECTIVELY• effectively adv. In an efficient or effective manner; with powerful effect.
• effectively adv. Essentially, in effect, for all practical purposes.
• EFFECTIVE adv. that works.
EFFECTIVITY• effectivity n. (Uncountable) The ability or power to be effective.
• effectivity n. (Countable) A measure of the effectiveness of something.
• effectivity n. (Countable) [Technical documentation] An indication of the product, procedure, or timescale for which…

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: 5 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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