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