Sigoultian or Sigaultian: How To spell?

The word Sigoultian is misspelled against Sigaultian, an adjective meaning "Pertaining to Sigault, a French physician. See Symphyseotomy."

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

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