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