maternity vs labor

maternity and labor both are nouns.

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

maternity (noun)	labor (noun)
the quality of having or showing the tenderness and warmth and affection of or befitting a mother	productive work (especially physical work done for wages)
the kinship relation between an offspring and the mother	any piece of work that is undertaken or attempted
the state of being pregnant; the period from conception to birth when a woman carries a developing fetus in her uterus	a social class comprising those who do manual labor or work for wages
	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

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