scratch out vs efface

scratch out and efface both are verbs.

Word	Noun	Adjective	Verb	Adverb
scratch out	No	No	Yes	No
efface	No	No	Yes	No

As verbs, efface is a hypernym of scratch out; that is, efface is a word with a broader meaning than scratch out:

Other hypernyms of scratch out include erase, rub out, score out, wipe off.

scratch out (verb)	efface (verb)
strike or cancel by or as if by rubbing or crossing out	remove completely from recognition or memory
	remove by or as if by rubbing or erasing
	make inconspicuous