Survyllant or Surveillant: How To spell?

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

Word contains consecutive vowels 'EI' in between alphabets surv & llant is misspelled as 'Y'
Wrong Spelling:  surv-y-llant 
Correct Spelling:  surv-ei-llant 
Check more misspelled words of Surveillant to spell it correct.