Kiler or Killer: How To spell?
The word Kiler is misspelled against Killer, a noun meaning "A voracious, toothed whale of the genus Orca, of which several species are known."
Killer has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings ki & er which should not be misspelled with single 'L'
Wrong Spelling:  ki-l-er  Correct Spelling:  ki-ll-er 
Find more wrongly spelled words of Killer to spell it well.