sulla vs suffrutex

sulla and suffrutex both are nouns.

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

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

sulla: perennial of southern Europe cultivated for forage and for its nectar-rich pink flowers that make it an important honey crop
suffrutex: low-growing woody shrub or perennial with woody base

Other hypernyms of sulla include subshrub.

sulla (noun)	suffrutex (noun)
perennial of southern Europe cultivated for forage and for its nectar-rich pink flowers that make it an important honey crop	low-growing woody shrub or perennial with woody base