false pimpernel vs suffrutex

false pimpernel and suffrutex both are nouns.

Word	Noun	Adjective	Verb	Adverb
false pimpernel	Yes	No	No	No
suffrutex	Yes	No	No	No

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

Other hypernyms of false pimpernel include subshrub.

false pimpernel (noun)	suffrutex (noun)
weedy plant having short dry chafflike leaves	low-growing woody shrub or perennial with woody base