Survillance or Surveillance: How To spell?

The word Survillance is misspelled against Surveillance, a noun meaning "Oversight; watch; inspection; supervision."

Word contains consecutive vowels 'EI' in between alphabets surv & llance is misspelled as 'I' as letter 'E' is phonetically ign
Wrong Spelling:  surv-i-llance 
Correct Spelling:  surv-ei-llance 
Check more misspelled words of Surveillance to spell it correct.