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