Instourated or Instaurated: How To spell?

The word Instourated is misspelled against Instaurated, which is past tense of "Instaurate"

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

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