deface vs scar

deface is not a noun while scar is a noun.

Word	Noun	Adjective	Verb	Adverb
deface	No	No	Yes	No
scar	Yes	No	Yes	No

As verbs, scar is a hyponym of deface; that is, scar is a word with a more specific, narrower meaning than deface:

Other hyponyms of deface include mangle, maul, mark, pit, pock.

deface (noun)	scar (noun)
	an indication of damage
	a mark left (usually on the skin) by the healing of injured tissue

deface (verb)	scar (verb)
mar or spoil the appearance of	mark with a scar