Bilowing or Billowing: How To spell?

The word Bilowing is misspelled against Billowing, which is present continuous of "Billow"

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.