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