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