effacement vs efface

effacement is a noun but efface is not a noun.

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

effacement (noun)	efface (noun)
withdrawing into the background; making yourself inconspicuous
shortening of the uterine cervix and thinning of its walls as it is dilated during labor

effacement (verb)	efface (verb)
	remove completely from recognition or memory
	remove by or as if by rubbing or erasing
	make inconspicuous