genus Sporobolus vs family Graminaceae

genus Sporobolus and family Graminaceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Sporobolus	Yes	No	No	No
family Graminaceae	Yes	No	No	No

genus Sporobolus (noun)	family Graminaceae (noun)
cosmopolitan annual and perennial grasses (as dropseed or rush grass)	the grasses: chiefly herbaceous but some woody plants including cereals, bamboo, reeds, sugar cane