Caper or Capper: How To spell?
The word Caper is misspelled against Capper, a noun meaning "A by-bidder; a decoy for gamblers [Slang, U. S.]."
Capper has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings ca & er which should not be misspelled with single 'P'
Wrong Spelling:  ca-p-er  Correct Spelling:  ca-pp-er 
Explore spell check of Capper to spell without errors.