efface vs obscure

efface is not an adjective while obscure is an adjective.

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

efface (adjective)	obscure (adjective)
	difficult to find
	marked by difficulty of style or expression
	not drawing attention
	not famous or acclaimed
	not clearly expressed or understood
	remote and separate physically or socially

efface (verb)	obscure (verb)
remove completely from recognition or memory	make unintelligible or unclear
remove by or as if by rubbing or erasing	make undecipherable or imperceptible by obscuring or concealing
make inconspicuous	reduce a vowel to a neutral one, such as a schwa
	make unclear, indistinct, or blurred
	make less visible or unclear