Surveilant or Surveillant: How To spell?

The word Surveilant is misspelled against Surveillant, a noun meaning "One who watches over another; an overseer; a spy; a supervisor."

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