compass plant vs suffrutex

compass plant and suffrutex both are nouns.

Word	Noun	Adjective	Verb	Adverb
compass plant	Yes	No	No	No
suffrutex	Yes	No	No	No

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

Other hypernyms of compass plant include subshrub.

compass plant (noun)	suffrutex (noun)
any of several plants having leaves so arranged on the axis as to indicate the cardinal points of the compass	low-growing woody shrub or perennial with woody base
North American annual with red or rose-colored flowers