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