pichiciago vs armadillo

pichiciago and armadillo both are nouns.

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

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

pichiciago: very small Argentine armadillo with pale silky hair and pink plates on head and neck
armadillo: burrowing chiefly nocturnal mammal with body covered with strong horny plates

pichiciago (noun)	armadillo (noun)
very small Argentine armadillo with pale silky hair and pink plates on head and neck	burrowing chiefly nocturnal mammal with body covered with strong horny plates