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