prairie dock vs suffrutex

prairie dock and suffrutex both are nouns.

Word	Noun	Adjective	Verb	Adverb
prairie dock	Yes	No	No	No
suffrutex	Yes	No	No	No

As nouns, suffrutex is a hypernym of prairie dock; that is, suffrutex is a word with a broader meaning than prairie dock:

prairie dock: stout perennial herb of the eastern United States with whitish flowers; leaves traditionally used by Catawba Indians to treat burns
suffrutex: low-growing woody shrub or perennial with woody base

Other hypernyms of prairie dock include subshrub.

prairie dock (noun)	suffrutex (noun)
stout perennial herb of the eastern United States with whitish flowers; leaves traditionally used by Catawba Indians to treat burns	low-growing woody shrub or perennial with woody base