Smyrnium olusatrum vs horse parsley

Smyrnium olusatrum and horse parsley both are nouns.

Word	Noun	Adjective	Verb	Adverb
Smyrnium olusatrum	Yes	No	No	No
horse parsley	Yes	No	No	No

As nouns, Smyrnium olusatrum and horse parsley are synonyms defined as:

Smyrnium olusatrum and horse parsley: European herb somewhat resembling celery widely naturalized in Britain coastal regions and often cultivated as a potherb

Other synonyms of Smyrnium olusatrum include Alexander, Alexanders, black lovage.

Smyrnium olusatrum (noun)	horse parsley (noun)
European herb somewhat resembling celery widely naturalized in Britain coastal regions and often cultivated as a potherb	European herb somewhat resembling celery widely naturalized in Britain coastal regions and often cultivated as a potherb