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