Alexanders vs horse parsley

Alexanders and horse parsley both are nouns.

Word	Noun	Adjective	Verb	Adverb
Alexanders	Yes	No	No	No
horse parsley	Yes	No	No	No

As nouns, Alexanders and horse parsley are synonyms defined as:

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

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

Alexanders (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