The word Opilating is misspelled against Oppilating, which is present continuous of "Oppilate"
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Oppilating has double "pp" is mispronounced as "p"
Remember double 'PP' in between the strings o & ilating which should not be misspelled with single 'P'
Wrong Spelling:  o-p-ilating 
Correct Spelling:  o-pp-ilating 
Find more wrongly spelled words of Oppilating to spell it well.