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