hippopotamus, hippo, river horse, Hippopotamus amphibius
['promontory, headland, head, foreland', 'chiton, coat-of-mail shell, sea cradle, polyplacophore', 'wild boar, boar, Sus scrofa', 'hognose snake, puff adder, sand viper', 'echidna, spiny anteater, anteater', 'cornet, horn, trumpet, trump', 'mud turtle']