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