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