travail vs effacement

travail and effacement both are nouns.

Word	Noun	Adjective	Verb	Adverb
travail	Yes	No	Yes	No
effacement	Yes	No	No	No

travail (noun)	effacement (noun)
use of physical or mental energy; hard work	withdrawing into the background; making yourself inconspicuous
concluding state of pregnancy; from the onset of contractions to the birth of a child	shortening of the uterine cervix and thinning of its walls as it is dilated during labor

travail (verb)	effacement (verb)
work hard