dogbane family vs family Apocynaceae

dogbane family and family Apocynaceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
dogbane family	Yes	No	No	No
family Apocynaceae	Yes	No	No	No

As nouns, dogbane family and family Apocynaceae are synonyms defined as:

dogbane family and family Apocynaceae: chiefly tropical trees or shrubs or herbs having milky juice and often showy flowers; many are sources of drugs

Other synonyms of dogbane family include Apocynaceae.

dogbane family (noun)	family Apocynaceae (noun)
chiefly tropical trees or shrubs or herbs having milky juice and often showy flowers; many are sources of drugs	chiefly tropical trees or shrubs or herbs having milky juice and often showy flowers; many are sources of drugs