The word Bilowing is misspelled against Billowing, which is present continuous of "Billow"
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Billowing has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings bi & owing which should not be misspelled with single 'L'
Wrong Spelling: bi-l-owing
Correct Spelling: bi-ll-owing
Find more incorrect spellings of Billowing to spell right way.