Overuler or Overruler: How To spell?
The word Overuler is misspelled against Overruler, a noun meaning "One who, or that which, controls, governs, or determines."
Overruler has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings ove & uler which should not be misspelled with single 'R'
Wrong Spelling:  ove-r-uler  Correct Spelling:  ove-rr-uler 
Check more misspelled words of Overruler to spell it correct.