mutilation vs defacement

mutilation and defacement both are nouns.

Word	Noun	Adjective	Verb	Adverb
mutilation	Yes	No	No	No
defacement	Yes	No	No	No

As nouns, mutilation and defacement are synonyms defined as:

mutilation and defacement: the act of damaging the appearance or surface of something

Other synonyms of mutilation include disfiguration, disfigurement.

mutilation (noun)	defacement (noun)
the act of damaging the appearance or surface of something	the act of damaging the appearance or surface of something
an injury that causes disfigurement or that deprives you of a limb or other important body part