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