Here's what rhymes with callipterus.
dipterous Words that almost rhyme with callipterus
vigorous bitterness rigorous timorous literates oviparous difference carnivorous coniferous illiterates omnivorous viviparous cordilleras alliterates wilderness herbivorous vociferous calciferous indifference deliverance carboniferous itinerants pestiferous riverbanks spinnerets barbiturates belligerence insectivorous belligerents refrigerants disfigurements nonbelligerents