Caesalpinioideae vs family Leguminosae

Caesalpinioideae and family Leguminosae both are nouns.

Word	Noun	Adjective	Verb	Adverb
Caesalpinioideae	Yes	No	No	No
family Leguminosae	Yes	No	No	No

Caesalpinioideae (noun)	family Leguminosae (noun)
alternative name in some classification systems for the family Caesalpiniaceae	a large family of trees, shrubs, vines, and herbs bearing bean pods; divided for convenience into the subfamilies Caesalpiniaceae, Mimosaceae, Papilionaceae