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