dismemberment vs mutilation

dismemberment and mutilation both are nouns.

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

As nouns, mutilation is a hypernym of dismemberment; that is, mutilation is a word with a broader meaning than dismemberment:

dismemberment: the removal of limbs; being cut to pieces
mutilation: an injury that causes disfigurement or that deprives you of a limb or other important body part

Other hypernyms of dismemberment include torture, torturing.

dismemberment (noun)	mutilation (noun)
the removal of limbs; being cut to pieces	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