Stachys sylvatica vs hedge nettle

Stachys sylvatica and hedge nettle both are nouns.

Word	Noun	Adjective	Verb	Adverb
Stachys sylvatica	Yes	No	No	No
hedge nettle	Yes	No	No	No

As nouns, Stachys sylvatica and hedge nettle are synonyms defined as:

Stachys sylvatica and hedge nettle: foul-smelling perennial Eurasiatic herb with a green creeping rhizome

Other synonyms of Stachys sylvatica include dead nettle.

Stachys sylvatica (noun)	hedge nettle (noun)
foul-smelling perennial Eurasiatic herb with a green creeping rhizome	foul-smelling perennial Eurasiatic herb with a green creeping rhizome
	perennial herb with an odorless rhizome widespread in moist places in Northern Hemisphere