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