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