The word Barelling is misspelled against Barrelling, which is present continuous of "Barrel"
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Barrelling has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings ba & elling which should not be misspelled with single 'R'
Wrong Spelling:  ba-r-elling 
Correct Spelling:  ba-rr-elling 
Find more wrongly spelled words of Barrelling to spell it well.