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