Roweling or Rowelling: How To spell?

The word Roweling is misspelled against Rowelling, which is present continuous of "Rowel"

Rowelling has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings rowe & ing which should not be misspelled with single 'L'
Wrong Spelling:  rowe-l-ing 
Correct Spelling:  rowe-ll-ing 
Find more incorrect spellings of Rowelling to spell right way.