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