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