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