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