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