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