Prosauc or Prosaic: How To spell?
The word Prosauc is misspelled against Prosaic, meaning "everyday mundane commonplace trite pedestrian"
Word contains consecutive vowels 'AI' in between alphabets pros & c is misspelled as 'AU'Wrong Spelling:  pros-au-c  Correct Spelling:  pros-ai-c 
Check more misspelled words of Prosaic to spell it correct.