Prosiacism or Prosaicism: How To spell?
The word Prosiacism is misspelled against Prosaicism, a noun meaning "The quality or state of being prosaic; a prosaic manner or style."
Word contains consecutive vowels 'AI' in between alphabets pros & cism is misspelled as 'IA'Wrong Spelling:  pros-ia-cism  Correct Spelling:  pros-ai-cism 
Find more incorrect spellings of Prosaicism to spell right way.