mistake

nouns

a wrong action attributable to bad judgment or ignorance or inattention
"he made a bad mistake"; "she was quick to point out my errors"; "I could understand his English in spite of his grammatical faults"
error, fault, mistake
an understanding of something that is not correct
"he wasn't going to admit his mistake"; "make no mistake about his intentions"; "there must be some misunderstanding--I don't have a sister"
misapprehension, mistake, misunderstanding
part of a statement that is not correct
"the book was full of errors"
error, mistake

verbs

identify incorrectly
"Don't mistake her for her twin sister"
misidentify, mistake
is derived from
mistaking
to make a mistake or be incorrect
err, mistake, slip