rosemary vs Rosmarinus

rosemary and Rosmarinus both are nouns.

Word	Noun	Adjective	Verb	Adverb
rosemary	Yes	No	No	No
Rosmarinus	Yes	No	No	No

rosemary (noun)	Rosmarinus (noun)
extremely pungent leaves used fresh or dried as seasoning for especially meats	rosemary
widely cultivated for its fragrant grey-green leaves used in cooking and in perfumery