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