obscure vs efface

obscure is an adjective but efface is not an adjective.

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

obscure (adjective)	efface (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

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