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