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