The word Whoping is misspelled against Whooping, an adjective meaning "from Whoop, v. t."
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Whooping has double "oo" is mispronounced as "o"
Remember double 'OO' in between the strings wh & ping which should not be misspelled with single 'O'
Wrong Spelling:  wh-o-ping 
Correct Spelling:  wh-oo-ping 
Find more incorrect spellings of Whooping to spell right way.