das vs eutherian

das and eutherian both are nouns.

Word	Noun	Adjective	Verb	Adverb
das	Yes	No	No	No
eutherian	Yes	Yes	No	No

As nouns, eutherian is a hypernym of das; that is, eutherian is a word with a broader meaning than das:

das: any of several small ungulate mammals of Africa and Asia with rodent-like incisors and feet with hooflike toes
eutherian: mammals having a placenta; all mammals except monotremes and marsupials

Other hypernyms of das include eutherian mammal, placental, placental mammal.

das (noun)	eutherian (noun)
any of several small ungulate mammals of Africa and Asia with rodent-like incisors and feet with hooflike toes	mammals having a placenta; all mammals except monotremes and marsupials

das (adjective)	eutherian (adjective)
	of or relating to or belonging to the subclass Eutheria