Apocynaceae vs family Apocynaceae

Apocynaceae and family Apocynaceae both are nouns.

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

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

Apocynaceae 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 Apocynaceae include dogbane family.

Apocynaceae (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