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