primrose family vs Primulaceae

primrose family and Primulaceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
primrose family	Yes	No	No	No
Primulaceae	Yes	No	No	No

As nouns, primrose family and Primulaceae are synonyms defined as:

primrose family and Primulaceae: a dicotyledonous family of the order Primulales with a regular flower; widely distributed in the Northern Hemisphere

Other synonyms of primrose family include family Primulaceae.

primrose family (noun)	Primulaceae (noun)
a dicotyledonous family of the order Primulales with a regular flower; widely distributed in the Northern Hemisphere	a dicotyledonous family of the order Primulales with a regular flower; widely distributed in the Northern Hemisphere