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