Allegory rhymes with:
category, category, scattergory, accusatory, aleatory, ambulatory, anticipatory, articulatory, auditory, category, celebratory, circulatory, compensatory, conciliatory, confirmatory, confiscatory, congratulatory, contributory, declaratory, defamatory, depilatory, depository, deregulatory, derogatory, desultory, dilatory, discriminatory, dormitory, excretory, exculpatory, expiratory, explanatory, exploratory, hallucinatory, incantatory, inflammatory, inhibitory, interrogatory, investigatory, laboratory, laudatory, lavatory, mandatory, migratory, multistory, nondiscriminatory, obligatory, observatory, oratory, oscillatory, outlawry, participatory, predatory, preparatory, prohibitory, promissory, purgatory, reformatory, regulatory, repertory, repository, respiratory, retaliatory, revelatory, scattergory, scintilore, signatory, statutory, territory, transitory, understory
Allegory sounds like:
alcazar, alcocer, alegre, alegria, aleshire, algar, alger, algeria, alguire, alkire, allegra, allegro, allgaier, allgeier, allgeyer