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There are 4 fifteen-letter words containing EFFI
| EFFICACIOUSNESS | • efficaciousness n. Quality of being efficacious. • EFFICACIOUS n. having the power to produce a desired effect. |
| HYPEREFFICIENCY | Sorry, definition not available. |
| INEFFICACIOUSLY | • inefficaciously adv. Without efficacy or effect. • INEFFICACIOUS adv. lacking the power to produce a desired effect. |
| SUPEREFFICIENCY | • superefficiency n. The quality of being superefficient. • SUPEREFFICIENCY n. the state of being superefficient. |
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: 14 words
- Scrabble in French: 2 words
- Scrabble in Spanish: no word
- Scrabble in Italian: 7 words
- Scrabble in German: no word
- Scrabble in Romanian: no word
Recommended websites
- Visit WikWik.org - to search for words and build lists from Wiktionary's words.
- www.BestWordList.com to create personalized word lists.
- www.BestWordClub.com to play duplicate online scrabble.
- 1word.ws to play with words, anagrams, suffixes, prefixes, etc.
- Ortograf.ws to look for words.
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