Saccharum vs family Graminaceae

Saccharum and family Graminaceae both are nouns.

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

Saccharum (noun)	family 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