weasel vs musteline mammal

weasel and musteline mammal both are nouns.

Word	Noun	Adjective	Verb	Adverb
weasel	Yes	No	No	No
musteline mammal	Yes	No	No	No

As nouns, musteline mammal is a hypernym of weasel; that is, musteline mammal is a word with a broader meaning than weasel:

weasel: small carnivorous mammal with short legs and elongated body and neck
musteline mammal: fissiped fur-bearing carnivorous mammals

Other hypernyms of weasel include mustelid, musteline.

weasel (noun)	musteline mammal (noun)
small carnivorous mammal with short legs and elongated body and neck	fissiped fur-bearing carnivorous mammals
a person who is regarded as treacherous or sneaky