Souterelle or Sauterelle: How To spell?

The word Souterelle is misspelled against Sauterelle, a noun meaning "An instrument used by masons and others to trace and form angles."

Word contains consecutive vowels 'AU' in between alphabets s & terelle is misspelled as 'OU'
Wrong Spelling:  s-ou-terelle 
Correct Spelling:  s-au-terelle 
Check more misspelled words of Sauterelle to spell it correct.

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