Prosec or Prosaic: How To spell?

The word Prosec is misspelled against Prosaic, meaning "everyday mundane commonplace trite pedestrian"

Word contains consecutive vowels 'AI' in between alphabets pros & c is misspelled as 'E'
Wrong Spelling:  pros-e-c 
Correct Spelling:  pros-ai-c 
Find more incorrect spellings of Prosaic to spell right way.

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