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