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