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