mule fat vs shrub

mule fat and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
mule fat	Yes	No	No	No
shrub	Yes	No	No	No

As nouns, shrub is a hypernym of mule fat; that is, shrub is a word with a broader meaning than mule fat:

mule fat: California shrub with slender leafy shoots that are important browse for mule deer
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of mule fat include bush.

mule fat (noun)	shrub (noun)
California shrub with slender leafy shoots that are important browse for mule deer	a low woody perennial plant usually having several major stems