genus Saccharum vs Graminaceae

genus Saccharum and Graminaceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Saccharum	Yes	No	No	No
Graminaceae	Yes	No	No	No

genus Saccharum (noun)	Graminaceae (noun)
tall perennial reedlike grass originally of southeastern Asia: sugarcane	the grasses: chiefly herbaceous but some woody plants including cereals, bamboo, reeds, sugar cane