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