The word Blackbaling is misspelled against Blackballing, which is present continuous of "Blackball"
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Blackballing has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings blackba & ing which should not be misspelled with single 'L'
Wrong Spelling:  blackba-l-ing 
Correct Spelling:  blackba-ll-ing 
Find more wrongly spelled words of Blackballing to spell it well.