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