Asclepiadaceae vs milkweed family

Asclepiadaceae and milkweed family both are nouns.

Word	Noun	Adjective	Verb	Adverb
Asclepiadaceae	Yes	No	No	No
milkweed family	Yes	No	No	No

As nouns, Asclepiadaceae and milkweed family are synonyms defined as:

Asclepiadaceae and milkweed family: widely distributed family of herbs and shrubs of the order Gentianales; most with milky juice

Other synonyms of Asclepiadaceae include family Asclepiadaceae.

Asclepiadaceae (noun)	milkweed family (noun)
widely distributed family of herbs and shrubs of the order Gentianales; most with milky juice	widely distributed family of herbs and shrubs of the order Gentianales; most with milky juice