Mistok or Mistook: How To spell?
The word Mistok is misspelled against Mistook, which is past tense of "Mistake"
Mistook has double "oo" is mispronounced as "o"Remember double 'OO' in between the strings mist & k which should not be misspelled with single 'O'
Wrong Spelling:  mist-o-k  Correct Spelling:  mist-oo-k 
Find more incorrect spellings of Mistook to spell right way.