Sontess or Saintess: How To spell?

The word Sontess is misspelled against Saintess, a noun meaning "A female saint."

Word contains consecutive vowels 'AI' in between alphabets s & ntess is misspelled as 'O'
Wrong Spelling:  s-o-ntess 
Correct Spelling:  s-ai-ntess 
Find more incorrect spellings of Saintess to spell right way.

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