Here's what rhymes with eutherians.
clarions librarians sectarians agrarians vulgarians barbarians vegetarians libertarians seminarians sanitarians cnidarians proletarians utilitarians veterinarians centenarians authoritarians egalitarians antiquarians humanitarians totalitarians disciplinarians octogenarians latitudinarians nonagenarians valetudinarians sexagenarians parliamentarians septuagenarians Words that almost rhyme with eutherians
variance covariance invariance vivariums aquariums chameleons honorariums sanitariums planetariums burials thespians lesbians hairpieces reburials perennials biennials wistarias decennials pedestrians equestrians poinsettias terrestrials centennials triennials conventicles antimalarials centrepieces bicentennials extraterrestrials sesquicentennials