Here's what rhymes with poposal.
proposal disposal Words that almost rhyme with poposal
bowlful social sociale woeful asocial prosocial unsocial antisocial ambrosial nonsocial mucosal psychosocial 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 ennoble soulful chamomile anecdotal ignoble mongrel sacerdotal scrotal antiphonal asphodel multimodal patrimonial polyclonal reproachful reposeful monoclonal synagogal