Mistake
Part of speech: noun
Definition: An error; a blunder. A pitch which was intended to be pitched in a hard to hit location, but instead ends up in an easy to hit place
Part of speech: verb
Definition: To understand wrongly, taking one thing for another. To make an error, to do something in wrong way.
Example sentence: Never interrupt your enemy when he is making a mistake.
Misapprehension
Part of speech: noun
Definition: a failure to understand something; an illusion, misconception or misunderstanding