subfamily Papilionoideae vs Lathyrus

subfamily Papilionoideae and Lathyrus both are nouns.

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

subfamily Papilionoideae (noun)	Lathyrus (noun)
alternative name used in some classification systems for the family Papilionaceae	genus of climbing herbs of Old World and temperate North and South America: vetchling; wild pea