Souterrin or Souterrain: How To spell?

The word Souterrin is misspelled against Souterrain, a noun meaning "A grotto or cavern under ground."

Word contains consecutive vowels 'AI' in between alphabets souterr & n is misspelled as 'I'
Wrong Spelling:  souterr-i-n 
Correct Spelling:  souterr-ai-n 
Check more misspelled words of Souterrain to spell it correct.

You might be interested to know

Strinable or Strainable?

Tiloring or Tailoring?

Tritorous or Traitorous?