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