Origanum vulgare vs pot marjoram

Origanum vulgare and pot marjoram both are nouns.

Word	Noun	Adjective	Verb	Adverb
Origanum vulgare	Yes	No	No	No
pot marjoram	Yes	No	No	No

As nouns, Origanum vulgare and pot marjoram are synonyms defined as:

Other synonyms of Origanum vulgare include marjoram, oregano, wild marjoram, winter sweet.

Origanum vulgare (noun)	pot marjoram (noun)
aromatic Eurasian perennial	aromatic Eurasian perennial