burdock vs suffrutex

burdock and suffrutex both are nouns.

Word	Noun	Adjective	Verb	Adverb
burdock	Yes	No	No	No
suffrutex	Yes	No	No	No

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

burdock: any of several erect biennial herbs of temperate Eurasia having stout taproots and producing burs
suffrutex: low-growing woody shrub or perennial with woody base

Other hypernyms of burdock include subshrub.

burdock (noun)	suffrutex (noun)
any of several erect biennial herbs of temperate Eurasia having stout taproots and producing burs	low-growing woody shrub or perennial with woody base