Here's what rhymes with omphasis.
Words that almost rhyme with omphasis
homelessness foaminess openness hopelessness copiousness soulfulness soullessness dolefulness woefulness motionless eponymous boastfulness brokenness ferociousness smokiness exogenous socialists chauvinists emotionless wholesomeness loathsomeness lonesomeness postmistress toastmistress atrociousness proteolysis outspokenness globalists precociousness ufologists unwholesomeness