Mammoth Uncensored Word List:
49 words ending with fy, 9 letters long

chondrify cockneyfy commodify corporify dandruffy deacidify decalcify decertify degunkify demagnify demulsify demystify denitrify desertify devitrify dezincify diversify electrify exemplify frenchify historify indemnify indignify intensify kitschify nonfluffy objectify pelletify personify preachify premodify prenotify reamplify recertify reclarify refortify reglorify rejustify reliquefy renullify requalify respecify retestify semideify solemnify speechify syllabify undignify unqualify