The word Instare is misspelled against Instaure, a verb meaning "To renew or renovate; to instaurate."
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Word contains consecutive vowels 'AU' in between alphabets inst & re is misspelled as 'A' as letter 'U' is phonetically ignored
Wrong Spelling:  inst-a-re 
Correct Spelling:  inst-au-re 
Explore spell check of Instaure to spell without errors.