Piler or Piller: How To spell?
The word Piler is misspelled against Piller, a noun meaning "One who pills or plunders."
Piller has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings pi & er which should not be misspelled with single 'L'
Wrong Spelling:  pi-l-er  Correct Spelling:  pi-ll-er 
Find more wrongly spelled words of Piller to spell it well.