genus Marrubium vs family Labiatae

genus Marrubium and family Labiatae both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Marrubium	Yes	No	No	No
family Labiatae	Yes	No	No	No

genus Marrubium (noun)	family Labiatae (noun)
horehound (Marrubium)	a large family of aromatic herbs and shrubs having flowers resembling the lips of a mouth and four-lobed ovaries yielding four one-seeded nutlets and including mint, thyme, sage, rosemary