Here's what rhymes with supposal.
proposal disposal Words that almost rhyme with supposal
bowlful social sociale woeful asocial unsocial ambrosial prosocial antisocial mucosal psychosocial nonsocial total tonal local noble focal mobile vocal modal postal nodal foetal motile zonal doleful atonal mogul yodel global coastal hopeful coronal immobile boastful calomel clonal scrotal ennoble soulful chamomile asphodel anecdotal ignoble mongrel sacerdotal synagogal multimodal reproachful antiphonal reposeful monoclonal polyclonal patrimonial