genus Gerea vs family Compositae

genus Gerea and family Compositae both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Gerea	Yes	No	No	No
family Compositae	Yes	No	No	No

genus Gerea (noun)	family Compositae (noun)
small genus of hairy herbs with yellow flowers	plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia