Hypothesis rhymes with:
antithesis, synthesis, analysis, antithesis, archdiocese, caucasus, dialysis, electrolysis, emphasis, genesis, hydrolysis, metamorphasis, metamorphosis, morphogenesis, paralysis, pegasus, psoriasis, psychoanalysis, synthesis, thomasas
Hypothesis sounds like:
habitat's, habitats, habits, habitues, haft's, hafts, hafts', heifetz, hepatic, hepatitis, hibbitts, hoevet's, hoffitz, hypotheses, hypothesize