List of 15-letter words containing •••••

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There are 12 fifteen-letter words containing E, 2F, 2I and U

DIFFUSIBILITIES	• diffusibilities n. Plural of diffusibility. • DIFFUSIBILITY n. the state of being diffusible.
DIFFUSIVENESSES	• diffusivenesses n. Plural of diffusiveness. • DIFFUSIVENESS n. the state of being diffusive.
EFFICACIOUSNESS	• efficaciousness n. Quality of being efficacious. • EFFICACIOUS n. having the power to produce a desired effect.
INEFFICACIOUSLY	• inefficaciously adv. Without efficacy or effect. • INEFFICACIOUS adv. lacking the power to produce a desired effect.
INOFFICIOUSNESS	• inofficiousness n. The quality of being inofficious. • INOFFICIOUS n. not officious.
INSUFFICIENCIES	• insufficiencies n. Plural of insufficiency. • INSUFFICIENCY n. the state of being insufficient, also INSUFFICIENCE.
INTERDIFFUSIONS	• interdiffusions n. Plural of interdiffusion. • INTERDIFFUSION n. the process of diffusing and mixing freely so as to approach a homogeneous mixture.
OFFICIOUSNESSES	• officiousnesses n. Plural of officiousness. • OFFICIOUSNESS n. OFFICIOUS, volunteering one's services too eagerly.
SUFFICINGNESSES	• SUFFICINGNESS n. the state of being sufficing.
SUPEREFFICIENCY	• superefficiency n. The quality of being superefficient. • SUPEREFFICIENCY n. the state of being superefficient.
UNDERFULFILLING	• UNDERFULFIL v. to fail to fulfil completely, also UNDERFULFILL.
UNFOSSILIFEROUS	• unfossiliferous adj. Not fossiliferous, nonfossiliferous. • UNFOSSILIFEROUS adj. not fossiliferous.

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 1Word.ws and WikWik.org.

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English Wiktionary: 68 words
Scrabble in French: 33 words
Scrabble in Spanish: 7 words
Scrabble in Italian: 60 words
Scrabble in German: no word
Scrabble in Romanian: 9 words

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