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