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