The word Thesuri is misspelled against Thesauri, which is plural of "Thesaurus"
-->
Word contains consecutive vowels 'AU' in between alphabets thes & ri is misspelled as 'U' as letter 'A' is phonetically ignored
Wrong Spelling:  thes-u-ri 
Correct Spelling:  thes-au-ri 
Check more misspelled words of Thesauri to spell it correct.