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