Feler or Feller: How To spell?

The word Feler is misspelled against Feller, a noun meaning "An appliance to a sewing machine for felling a seam."

Feller has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings fe & er which should not be misspelled with single 'L'
Wrong Spelling:  fe-l-er 
Correct Spelling:  fe-ll-er 
Explore spell check of Feller to spell without errors.