efface vs obliterate

efface is not an adjective while obliterate is an adjective.

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

As verbs, efface and obliterate are synonyms defined as:

efface (adjective)	obliterate (adjective)
	reduced to nothingness

efface (verb)	obliterate (verb)
remove completely from recognition or memory	remove completely from recognition or memory
remove by or as if by rubbing or erasing	make undecipherable or imperceptible by obscuring or concealing
make inconspicuous	mark for deletion, rub off, or erase
	do away with completely, without leaving a trace