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