Pesimist or Pessimist: How To spell?
The word Pesimist is misspelled against Pessimist, a noun meaning "One who advocates the doctrine of pessimism; -- opposed to optimist."
Pessimist has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings pe & imist which should not be misspelled with single 'S'
Wrong Spelling:  pe-s-imist  Correct Spelling:  pe-ss-imist 
Find more wrongly spelled words of Pessimist to spell it well.