peba vs armadillo

peba and armadillo both are nouns.

Word	Noun	Adjective	Verb	Adverb
peba	Yes	No	No	No
armadillo	Yes	No	No	No

As nouns, armadillo is a hypernym of peba; that is, armadillo is a word with a broader meaning than peba:

peba: having nine hinged bands of bony plates; ranges from Texas to Paraguay
armadillo: burrowing chiefly nocturnal mammal with body covered with strong horny plates

peba (noun)	armadillo (noun)
having nine hinged bands of bony plates; ranges from Texas to Paraguay	burrowing chiefly nocturnal mammal with body covered with strong horny plates