Cajanus vs subfamily Papilionoideae

Cajanus and subfamily Papilionoideae both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cajanus	Yes	No	No	No
subfamily Papilionoideae	Yes	No	No	No

Cajanus (noun)	subfamily Papilionoideae (noun)
erect densely branched shrubby perennials of Old World tropics; naturalized in other warm regions	alternative name used in some classification systems for the family Papilionaceae