subfamily Caesalpinioideae vs Caesalpinioideae

subfamily Caesalpinioideae and Caesalpinioideae both are nouns.

Word	Noun	Adjective	Verb	Adverb
subfamily Caesalpinioideae	Yes	No	No	No
Caesalpinioideae	Yes	No	No	No

As nouns, subfamily Caesalpinioideae and Caesalpinioideae are synonyms defined as:

subfamily Caesalpinioideae and Caesalpinioideae: alternative name in some classification systems for the family Caesalpiniaceae

subfamily Caesalpinioideae (noun)	Caesalpinioideae (noun)
alternative name in some classification systems for the family Caesalpiniaceae	alternative name in some classification systems for the family Caesalpiniaceae