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