family Graminaceae vs Gramineae

family Graminaceae and Gramineae both are nouns.

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

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

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

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

family Graminaceae (noun)	Gramineae (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