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