brotherhood vs labor

brotherhood and labor both are nouns.

Word	Noun	Adjective	Verb	Adverb
brotherhood	Yes	No	No	No
labor	Yes	No	Yes	No

brotherhood (noun)	labor (noun)
the feeling that men should treat one another like brothers	productive work (especially physical work done for wages)
people engaged in a particular occupation	any piece of work that is undertaken or attempted
an organization of employees formed to bargain with the employer	a social class comprising those who do manual labor or work for wages
the kinship relation between a male offspring and the siblings	an organized attempt by workers to improve their status by united action (particularly via labor unions) or the leaders of this movement
	concluding state of pregnancy; from the onset of contractions to the birth of a child

brotherhood (verb)	labor (verb)
	undergo the efforts of childbirth
	work hard
	strive and make an effort to reach a goal