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