Here's what rhymes with fancify.
high thy vi hi shy sigh fi hy thigh vie psi hai cy fy sy thei phi by my why die lie y buy fly sky guy tie bi bye chi dye nigh pi pie spy thai dei fry ly quae rye sly ty wir awry lye mai muy nai wry kai lai luy mei tai wai sty ossify stye slier apply dry supply try cry modify specify defy verify certify notify ply underlie amplify nullify pacify pry tri trie falsify pri untie edify mollify overlie ramify aquae bonsai deify firefly mystify spry amebae calcify horrify turfy lanai overfly scurfy versify mummify shanghai overbuy dandify thereby deny justify nearby occupy rely satisfy hereby alkali classify signify simplify testify alibi alveoli diversify magnify ratify samurai unify belie terrify typify amoebae codify crucify personify vilify acidify stultify vivify emulsify misapply stupefy scarify vitrify speechify banzais yuppify identify reply imply stimuli whereby clarify comply nuclei qualify butterfly glorify goodbye gratify intensify purify quantify fortify rectify standby decry lullaby pupae solidify termini descry dignify liquefy mortify oversupply resupply demystify detoxify retry stratify ultrahigh blowfly petrify reunify liquify barfly prettify beatify ripply syllabify solemnify multiply exemplify beautify indemnify triply revivify dissatisfy declassify hyperbolae drachmai gentrify refortify disqualify objectify dragonfly electrify preoccupy reclassify cumuli misidentify transmogrify oversimplify