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