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