List of 15-letter words containing EF

ANTEREFORMATION BEFOREMENTIONED BENEFICIARYSHIP BUMBLEBEEFISHES CLOSEFISTEDNESS COLLIQUEFACTION CORTICOEFFERENT COUNTERDEFENDER DEFENCELESSNESS DEFENSELESSNESS DEFUNCTIONALIZE DISGRACEFULNESS DISTASTEFULNESS EFFICACIOUSNESS EFFRANCHISEMENT EFLAGELLIFEROUS ELECTROREFINING HANDKERCHIEFFUL INDEFEASIBILITY INDEFECTIBILITY INDEFENSIBILITY INDEFINABLENESS INEFFACEABILITY INEFFECTIVENESS INEFFECTUALNESS INEFFERVESCENCE INEFFERVESCIBLE INEFFICACIOUSLY INTERREFLECTION IRREFORMABILITY IRREFRAGABILITY IRREFUTABLENESS JEFFERSONIANISM NONBENEFICENTLY NONBENEFICIALLY NONBLAMEFULNESS NONDEFEASIBNESS NONDEFICIENCIES NONDEFINABILITY NONDEFINITENESS NONDEFINITIVELY NONDEFLATIONARY NONEFFERVESCENT NONEFFUSIVENESS NONGRACEFULNESS NONPREFERENTIAL NONREFLECTIVELY NONREFRACTIONAL NONREFRACTIVELY NONSPOREFORMING OVERCAREFULNESS OVERDEFENSIVELY OVERDEFERENTIAL OVERDEFIANTNESS PLEASUREFULNESS PREFERENTIALISM PREFERENTIALIST PREFERMENTATION PREFIGURATIVELY PREFORMATIONARY PREFORMATIONISM PREFORMATIONIST QUINQUEFOLIATED REFAMILIARIZING REFERENDARYSHIP REFERTILIZATION REFORESTATIONAL REFORESTIZATION REFORMATIVENESS REFORTIFICATION REFRANGIBLENESS REMINISCENCEFUL RESOURCEFULNESS RETROREFLECTION RETROREFLECTIVE SEMIDEFENSIVELY SEMIREFLEXIVELY SUBPREFECTORIAL SUPEREFFLUENTLY SUPERREFINEMENT SUPERREFLECTION SUPERREFRACTION SUSPENSEFULNESS TABLEFELLOWSHIP THREEFOLDEDNESS ULTRAREFINEMENT UNBEFITTINGNESS UNBELIEFFULNESS UNCHANGEFULNESS UNDEFECTIVENESS UNDEFENSIVENESS UNDEFERENTIALLY UNDEFINABLENESS UNEFFECTIVENESS UNEFFECTUALNESS UNEFFICACIOUSLY UNNEFARIOUSNESS UNREPOSEFULNESS UNRESOURCEFULLY