Sanvitalia vs family Compositae

Sanvitalia and family Compositae both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sanvitalia	Yes	No	No	No
family Compositae	Yes	No	No	No

Sanvitalia (noun)	family Compositae (noun)
small genus of tropical American annual herbs: creeping zinnia	plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia