Surveilants or Surveillants: How To spell?

The word Surveilants is misspelled against Surveillants, which is plural of "Surveillant"

Surveillants has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings survei & ants which should not be misspelled with single 'L'
Wrong Spelling:  survei-l-ants 
Correct Spelling:  survei-ll-ants 
Check more misspelled words of Surveillants to spell it correct.