labour vs maternity

labour and maternity both are nouns.

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

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

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