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List of 15-letter words containing

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There are 19 fifteen-letter words containing 2F, I, N, O and S

DIFFERENTIATORSdifferentiators n. Plural of differentiator.
DIFFERENTIATOR n. someone who or that which differentiates.
DISAFFECTIONATEdisaffectionate adj. Not disposed to affection; unfriendly.
DISAFFECTIONATE adj. showing disaffection.
DISAFFILIATIONSdisaffiliations n. Plural of disaffiliation.
DISAFFILIATION n. the act of disaffiliating.
DISAFFIRMATIONSdisaffirmations n. Plural of disaffirmation.
DISAFFIRMATION n. the act of disaffirming.
DISAFFORESTMENTdisafforestment n. Disafforestation.
DISAFFORESTMENT n. the act of disafforesting.
EFFICACIOUSNESSefficaciousness n. Quality of being efficacious.
EFFICACIOUS n. having the power to produce a desired effect.
FLORIFEROUSNESSfloriferousness n. Quality of being floriferous, or bearing many flowers.
FLORIFEROUS n. bearing flowers.
FRUCTIFICATIONSfructifications n. Plural of fructification.
FRUCTIFICATION n. the reproductive organs or fruit of a plant.
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.
INEFFICACIOUSLYinefficaciously adv. Without efficacy or effect.
INEFFICACIOUS adv. lacking the power to produce a desired effect.
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.
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.
OFFENSIVENESSESoffensivenesses n. Plural of offensiveness.
OFFENSIVENESS n. the state of being offensive.
OFFICIOUSNESSESofficiousnesses n. Plural of officiousness.
OFFICIOUSNESS n. OFFICIOUS, volunteering one's services too eagerly.
REAFFORESTATIONreafforestation n. Reforestation.
REAFFORESTATION n. the act of reafforesting.
STANDOFFISHNESSstandoffishness n. The state, quality, or condition of being standoffish or aloof and unsociable; aloofness.
stand-offishness n. Alternative spelling of standoffishness.
STANDOFFISHNESS n. the state of being standoffish.
UNFOSSILIFEROUSunfossiliferous 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 WikWik.org and 1Word.ws.

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