Aethusa cynapium vs fool's parsley

Aethusa cynapium and fool's parsley both are nouns.

Word	Noun	Adjective	Verb	Adverb
Aethusa cynapium	Yes	No	No	No
fool's parsley	Yes	No	No	No

As nouns, Aethusa cynapium and fool's parsley are synonyms defined as:

Aethusa cynapium and fool's parsley: European weed naturalized in America that resembles parsley but causes nausea and poisoning when eaten

Other synonyms of Aethusa cynapium include lesser hemlock.

Aethusa cynapium (noun)	fool's parsley (noun)
European weed naturalized in America that resembles parsley but causes nausea and poisoning when eaten	European weed naturalized in America that resembles parsley but causes nausea and poisoning when eaten