Expeler or Expeller: How To spell?
The word Expeler is misspelled against Expeller, a noun meaning "One who, or that which, expels."
Expeller has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings expe & er which should not be misspelled with single 'L'
Wrong Spelling:  expe-l-er  Correct Spelling:  expe-ll-er 
Explore spell check of Expeller to spell without errors.