Survellants or Surveillants: How To spell?

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

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