wormwood vs suffrutex

wormwood and suffrutex both are nouns.

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

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

wormwood: any of several low composite herbs of the genera Artemisia or Seriphidium
suffrutex: low-growing woody shrub or perennial with woody base

Other hypernyms of wormwood include subshrub.

wormwood (noun)	suffrutex (noun)
any of several low composite herbs of the genera Artemisia or Seriphidium	low-growing woody shrub or perennial with woody base