family Asteraceae vs genus Coreopsis

family Asteraceae and genus Coreopsis both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Asteraceae	Yes	No	No	No
genus Coreopsis	Yes	No	No	No

family Asteraceae (noun)	genus Coreopsis (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of American plants widely cultivated for their flowers