Mishapen or Misshapen: How To spell?
The word Mishapen is misspelled against Misshapen, an adjective meaning "Having a bad or ugly form."
Misshapen has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings mi & hapen which should not be misspelled with single 'S'
Wrong Spelling:  mi-s-hapen  Correct Spelling:  mi-ss-hapen 
Find more wrongly spelled words of Misshapen to spell it well.