mistake vs misstatement

mistake and misstatement both are nouns.

Word	Noun	Adjective	Verb	Adverb
mistake	Yes	No	Yes	No
misstatement	Yes	No	No	No

As nouns, misstatement is a hypernym of mistake; that is, misstatement is a word with a broader meaning than mistake:

mistake (noun)	misstatement (noun)
a wrong action attributable to bad judgment or ignorance or inattention	a statement that contains a mistake
an understanding of something that is not correct
part of a statement that is not correct

mistake (verb)	misstatement (verb)
to make a mistake or be incorrect
identify incorrectly