family Gramineae vs Graminaceae

family Gramineae and Graminaceae both are nouns.

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

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

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

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

family Gramineae (noun)	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