The word Overating is misspelled against Overrating, which is present continuous of "Overrate"
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Overrating has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings ove & ating which should not be misspelled with single 'R'
Wrong Spelling:  ove-r-ating 
Correct Spelling:  ove-rr-ating 
Find more wrongly spelled words of Overrating to spell it well.