black lovage vs horse parsley

black lovage and horse parsley both are nouns.

Word	Noun	Adjective	Verb	Adverb
black lovage	Yes	No	No	No
horse parsley	Yes	No	No	No

As nouns, black lovage and horse parsley are synonyms defined as:

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

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

black lovage (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