Aralia nudicaulis vs suffrutex

Aralia nudicaulis and suffrutex both are nouns.

Word	Noun	Adjective	Verb	Adverb
Aralia nudicaulis	Yes	No	No	No
suffrutex	Yes	No	No	No

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

Aralia nudicaulis: common perennial herb having aromatic roots used as a substitute for sarsaparilla; central and eastern North America
suffrutex: low-growing woody shrub or perennial with woody base

Other hypernyms of Aralia nudicaulis include subshrub.

Aralia nudicaulis (noun)	suffrutex (noun)
common perennial herb having aromatic roots used as a substitute for sarsaparilla; central and eastern North America	low-growing woody shrub or perennial with woody base