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