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List of 15-letter words containing

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There are 10 fifteen-letter words containing 2F, I, 2N and U

DEXFENFLURAMINEdexfenfluramine n. A serotonergic anorectic drug used for weight loss in the 1990s, later withdrawn because of cardiovascular…
IMMUNODIFFUSIONimmunodiffusion n. A technique used to detect the reaction between an antigen and an antibody by observing the behavior…
IMMUNODIFFUSION n. any of various analytical techniques that involve antigen and antibody solutions diffusing toward each other in a gel until antibody binds specifically to antigen to form a precipitate.
INEFFECTUALNESSineffectualness n. Inefficacy.
INEFFECTUALNESS n. the state of being ineffectual.
INFUNDIBULIFORMinfundibuliform adj. Having the shape of a funnel or cone.
INFUNDIBULIFORM adj. shaped like a funnel.
INOFFICIOUSNESSinofficiousness n. The quality of being inofficious.
INOFFICIOUS n. not officious.
INSUFFICIENCIESinsufficiencies n. Plural of insufficiency.
INSUFFICIENCY n. the state of being insufficient, also INSUFFICIENCE.
INTERDIFFUSIONSinterdiffusions n. Plural of interdiffusion.
INTERDIFFUSION n. the process of diffusing and mixing freely so as to approach a homogeneous mixture.
NONFULFILLMENTSnonfulfillments n. Plural of nonfulfillment.
NONFULFILLMENT n. something that is not fulfillment, also NONFULFILMENT.
SUFFICINGNESSESSUFFICINGNESS n. the state of being sufficing.
UNDERFULFILLINGUNDERFULFIL v. to fail to fulfil completely, also UNDERFULFILL.

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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See this list for:

  • English Wiktionary: 48 words
  • Scrabble in French: 8 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: 28 words
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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