Mistreyding or Mistreading: How To spell?
The word Mistreyding is misspelled against Mistreading, a noun meaning "Misstep; misbehavior."
Mistreading has vowels 'ea' together mispronounced as 'ey'Word contains consecutive vowels 'EA' in between alphabets mistr & ding is misspelled as 'EY'
Wrong Spelling:  mistr-ey-ding  Correct Spelling:  mistr-ea-ding 
Find more wrongly spelled words of Mistreading to spell it well.