family Poaceae vs Graminaceae

family Poaceae and Graminaceae both are nouns.

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

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

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

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

family Poaceae (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