oleaster family vs family Elaeagnaceae

oleaster family and family Elaeagnaceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
oleaster family	Yes	No	No	No
family Elaeagnaceae	Yes	No	No	No

As nouns, oleaster family and family Elaeagnaceae are synonyms defined as:

oleaster family and family Elaeagnaceae: shrubs or small trees often armed

Other synonyms of oleaster family include Elaeagnaceae.

oleaster family (noun)	family Elaeagnaceae (noun)
shrubs or small trees often armed	shrubs or small trees often armed