grison vs musteline mammal

grison and musteline mammal both are nouns.

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

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

grison: carnivore of Central America and South America resembling a weasel with a greyish-white back and dark underparts
musteline mammal: fissiped fur-bearing carnivorous mammals

Other hypernyms of grison include mustelid, musteline.

grison (noun)	musteline mammal (noun)
carnivore of Central America and South America resembling a weasel with a greyish-white back and dark underparts	fissiped fur-bearing carnivorous mammals