Knoler or Knoller: How To spell?

The word Knoler is misspelled against Knoller, a noun meaning "One who tolls a bell."

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