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