Origanum vulgare vs wild marjoram

Origanum vulgare and wild marjoram both are nouns.

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

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

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

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