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