wild marjoram vs marjoram

wild marjoram and marjoram both are nouns.

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

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

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

wild marjoram (noun)	marjoram (noun)
aromatic Eurasian perennial	pungent leaves used as seasoning with meats and fowl and in stews and soups and omelets
	aromatic Eurasian perennial