Aconitum napellus vs helmet flower

Aconitum napellus and helmet flower both are nouns.

Word	Noun	Adjective	Verb	Adverb
Aconitum napellus	Yes	No	No	No
helmet flower	Yes	No	No	No

As nouns, Aconitum napellus and helmet flower are synonyms defined as:

Aconitum napellus and helmet flower: a poisonous herb native to northern Europe having hooded blue-purple flowers; the dried leaves and roots yield aconite

Other synonyms of Aconitum napellus include helmetflower, monkshood.

Aconitum napellus (noun)	helmet flower (noun)
a poisonous herb native to northern Europe having hooded blue-purple flowers; the dried leaves and roots yield aconite	a poisonous herb native to northern Europe having hooded blue-purple flowers; the dried leaves and roots yield aconite