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