The word Coperated is misspelled against Cooperated, which is past tense of "Cooperate"
-->
Cooperated has double "oo" is mispronounced as "o"
Remember double 'OO' in between the strings c & perated which should not be misspelled with single 'O'
Wrong Spelling: c-o-perated
Correct Spelling: c-oo-perated
Find more incorrect spellings of Cooperated to spell right way.