subfamily Papilionoideae vs Ononis

subfamily Papilionoideae and Ononis both are nouns.

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

subfamily Papilionoideae (noun)	Ononis (noun)
alternative name used in some classification systems for the family Papilionaceae	genus of European subshrubs or herbs having pink or purple or yellow solitary or clustered flowers: restharrow