oregano vs winter sweet

oregano and winter sweet both are nouns.

Word	Noun	Adjective	Verb	Adverb
oregano	Yes	No	No	No
winter sweet	Yes	No	No	No

As nouns, oregano and winter sweet are synonyms defined as:

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

oregano (noun)	winter sweet (noun)
pungent leaves used as seasoning with meats and fowl and in stews and soups and omelets	deciduous Japanese shrub cultivated for its fragrant yellow flowers
aromatic Eurasian perennial	aromatic Eurasian perennial
	dwarf aromatic shrub of Crete
	medium-sized shrubby tree of South Africa having thick leathery evergreen leaves and white or pink flowers and globose usually two-seeded purplish black fruits