Papilionoideae vs genus Phaseolus

Papilionoideae and genus Phaseolus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Papilionoideae	Yes	No	No	No
genus Phaseolus	Yes	No	No	No

Papilionoideae (noun)	genus Phaseolus (noun)
alternative name used in some classification systems for the family Papilionaceae	herbs of warm regions including most American beans