Archdiocese rhymes with:
psoriasis, analysis, antithesis, caucasus, dialysis, electrolysis, emphasis, genesis, hydrolysis, hypothesis, metamorphasis, metamorphosis, morphogenesis, paralysis, pegasus, psoriasis, psychoanalysis, synthesis, thomasas
Archdiocese sounds like:
aerojets, aerostat's, aerostats, arcades, archduke, arctic, aristech, aristede's, aristide's, arrests