Saar or Saur: How To spell?

The word Saar is misspelled against Saur, a noun meaning "Soil; dirt; dirty water; urine from a cowhouse."

Word contains consecutive vowels 'AU' in between alphabets s & r is misspelled as 'AA'
Wrong Spelling:  s-aa-r 
Correct Spelling:  s-au-r 
Browse incorrect spellings of Saur to spell it good.

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