broom vs subfamily Papilionoideae

broom and subfamily Papilionoideae both are nouns.

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

broom (noun)	subfamily Papilionoideae (noun)
a cleaning implement for sweeping; bundle of straws or twigs attached to a long handle	alternative name used in some classification systems for the family Papilionaceae
any of various shrubs of the genera Cytisus or Genista or Spartium having long slender branches and racemes of yellow flowers
common Old World heath represented by many varieties; low evergreen grown widely in the Northern Hemisphere

broom (verb)	subfamily Papilionoideae (verb)
sweep with a broom or as if with a broom
finish with a broom