wolfsbane vs wolfbane

wolfsbane and wolfbane both are nouns.

Word	Noun	Adjective	Verb	Adverb
wolfsbane	Yes	No	No	No
wolfbane	Yes	No	No	No

As nouns, wolfsbane and wolfbane are synonyms defined as:

wolfsbane and wolfbane: poisonous Eurasian perennial herb with broad rounded leaves and yellow flowers and fibrous rootstock

Other synonyms of wolfsbane include Aconitum lycoctonum, wolf's bane.

wolfsbane (noun)	wolfbane (noun)
poisonous Eurasian perennial herb with broad rounded leaves and yellow flowers and fibrous rootstock	poisonous Eurasian perennial herb with broad rounded leaves and yellow flowers and fibrous rootstock