horse parsley vs black lovage

horse parsley and black lovage both are nouns.

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

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

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

Other synonyms of horse parsley include Alexander, Alexanders, Smyrnium olusatrum.

horse parsley (noun)	black lovage (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