Surveilance or Surveillance: How To spell?
The word Surveilance is misspelled against Surveillance, a noun meaning "Oversight; watch; inspection; supervision."
Surveillance has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings survei & ance which should not be misspelled with single 'L'
Wrong Spelling:  survei-l-ance  Correct Spelling:  survei-ll-ance 
Check more misspelled words of Surveillance to spell it correct.