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