As a noun misinterpretation is
an instance of misinterpreting.
misundestanding
Not English
Misundestanding has no English definition. It may be misspelled.
English words similar to 'misundestanding':
misunderstanding,
magnetostriction,
misinterpreting,
magnetoreception,
magnetoception,
magnetoplasmon,
magnetopolaron,
magnetopolariton,
magnetabsorption,
magnetoexciton,
magnetoplasmaron,
magnetosensation