family Gramineae vs family Graminaceae

family Gramineae and family Graminaceae both are nouns.

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

As nouns, family Gramineae and family Graminaceae are synonyms defined as:

family Gramineae and family Graminaceae: the grasses: chiefly herbaceous but some woody plants including cereals, bamboo, reeds, sugar cane

Other synonyms of family Gramineae include family Poaceae, Graminaceae, Gramineae, grass family, Poaceae.

family Gramineae (noun)	family Graminaceae (noun)
the grasses: chiefly herbaceous but some woody plants including cereals, bamboo, reeds, sugar cane	the grasses: chiefly herbaceous but some woody plants including cereals, bamboo, reeds, sugar cane