genus Eriophyllum vs family Compositae

genus Eriophyllum and family Compositae both are nouns.

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

genus Eriophyllum (noun)	family Compositae (noun)
genus of hairy herbs and shrubs of western North America	plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia