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