The word Strock is misspelled against Stroock, which is past perfect of "Strike"
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Stroock has double "oo" is mispronounced as "o"
Remember double 'OO' in between the strings str & ck which should not be misspelled with single 'O'
Wrong Spelling:  str-o-ck 
Correct Spelling:  str-oo-ck 
Find more incorrect spellings of Stroock to spell right way.