erase vs efface

erase and efface both are verbs.

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

As verbs, erase and efface are synonyms defined as:

Other synonyms of erase include rub out, score out, wipe off.

erase (verb)	efface (verb)
remove from memory or existence	remove completely from recognition or memory
wipe out digitally or magnetically recorded information	remove by or as if by rubbing or erasing
remove by or as if by rubbing or erasing	make inconspicuous