Relaus or Relais: How To spell?

The word Relaus is misspelled against Relais, a noun meaning "A narrow space between the foot of the rampart and the scarp of the ditch, serving to receive the earth that may crumble off or be washed down, and prevent its falling into the ditch."

Word contains consecutive vowels 'AI' in between alphabets rel & s is misspelled as 'AU'
Wrong Spelling: rel-au-s
Correct Spelling: rel-ai-s
Check more misspelled words of Relais to spell it correct.