--> 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.