Prosiacal or Prosaical: How To spell?
The word Prosiacal is misspelled against Prosaical, an adjective meaning "Dull; uninteresting; commonplace; unimaginative; prosy; as, a prosaic person."
Word contains consecutive vowels 'AI' in between alphabets pros & cal is misspelled as 'IA'Wrong Spelling:  pros-ia-cal  Correct Spelling:  pros-ai-cal 
Find more incorrect spellings of Prosaical to spell right way.