Lathyrus vs subfamily Papilionoideae

Lathyrus and subfamily Papilionoideae both are nouns.

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

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