Relas or Relais: How To spell?

The word Relas 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 'A'
Wrong Spelling:  rel-a-s 
Correct Spelling:  rel-ai-s 
Explore spell check of Relais to spell without errors.

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