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