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