Oleaginous rhymes with:
androgynous, exogenous, homogenous, indigenous, nitrogenous, polygynous, androgynous, asynchronous, bituminous, brazenness, chitinous, deaconess, exogenous, gelatinous, givenness, gluttonous, homogenous, indigenous, larcenous, luminous, membranous, monotonous, mountainous, mutinous, nitrogenous, nonpoisonous, ominous, outspokenness, patroness, poisonous, polygynous, ravenous, ruinous, tetanus, titinus, uranus, villainous, voluminous
Oleaginous sounds like:
olajuwon's, olejniczak, olejnik, ollison's, olsen's, olshansky, olshansky's, olson's