wild marjoram vs origanum

wild marjoram and origanum both are nouns.

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

As nouns, origanum is a hypernym of wild marjoram; that is, origanum is a word with a broader meaning than wild marjoram:

wild marjoram: aromatic Eurasian perennial
origanum: any of various fragrant aromatic herbs of the genus Origanum used as seasonings

wild marjoram (noun)	origanum (noun)
aromatic Eurasian perennial	any of various fragrant aromatic herbs of the genus Origanum used as seasonings