Bilowy or Billowy: How To spell?
The word Bilowy is misspelled against Billowy, an adjective meaning "pertaining to billows; swelling swollen into large waves; full billows surges; resembling billows."
Billowy has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings bi & owy which should not be misspelled with single 'L'
Wrong Spelling:  bi-l-owy  Correct Spelling:  bi-ll-owy 
Find more incorrect spellings of Billowy to spell right way.