Compositae vs genus Hypochaeris

Compositae and genus Hypochaeris both are nouns.

Word	Noun	Adjective	Verb	Adverb
Compositae	Yes	No	No	No
genus Hypochaeris	Yes	No	No	No

Compositae (noun)	genus Hypochaeris (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	widely distributed genus of herbs with milky juice; includes some cosmopolitan weeds