The word Sour is misspelled against Saur, a noun meaning "Soil; dirt; dirty water; urine from a cowhouse."
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Word contains consecutive vowels 'AU' in between alphabets s & r is misspelled as 'OU'
Wrong Spelling:  s-ou-r 
Correct Spelling:  s-au-r 
Check more misspelled words of Saur to spell it correct.