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