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List of 15-letter words containing

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There are 9 fifteen-letter words containing 2F, 2I, 2N and S

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.
INDIFFERENTISMSindifferentisms n. Plural of indifferentism.
INDIFFERENTISM n. the belief that all religions are equally valid.
INDIFFERENTISTSindifferentists n. Plural of indifferentist.
INDIFFERENTIST n. an exponent of indifferentism.
INEFFECTIVENESSineffectiveness n. The condition of being ineffective.
INEFFECTIVENESS n. the state of being ineffective.
INOFFENSIVENESSinoffensiveness n. The state or condition of being inoffensive.
INOFFENSIVE n. causing no harm or injury, also UNOFFENSIVE.
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.
SUFFICINGNESSESSUFFICINGNESS n. the state of being sufficing.

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: 35 words
  • Scrabble in French: 20 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 21 words
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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