lesser hemlock vs fool's parsley

lesser hemlock and fool's parsley both are nouns.

Word	Noun	Adjective	Verb	Adverb
lesser hemlock	Yes	No	No	No
fool's parsley	Yes	No	No	No

As nouns, lesser hemlock and fool's parsley are synonyms defined as:

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

Other synonyms of lesser hemlock include Aethusa cynapium.

lesser hemlock (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