the prefix mis- means "bad" or "wrong"
misinterpret
(something or someone) wrongly
misunderstanding
a failure to understand something correctly
misnomer
a wrong or inaccurate name or designation
mistake
an action or judgment that is misguided or wrong
misfortune
bad luck
mislead
cause (someone) to have a wrong idea or impression about someone or something
misbehave
fail to conduct oneself in a way that is acceptable to others
misjudge
form a wrong opinion or conclusion about someone or something
mischief
playful misbehavior or troublemaking
misspell
spell incorrectly
mistreat
treat (a person or animal) badly, cruelly, or unfairly.
miserable
wretchedly unhappy or uncomfortable