The word Detered is misspelled against Deterred, which is past tense of "Deter"
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Deterred has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings dete & ed which should not be misspelled with single 'R'
Wrong Spelling:  dete-r-ed 
Correct Spelling:  dete-rr-ed 
Explore spell check of Deterred to spell without errors.