Prosust or Prosaist: How To spell?
The word Prosust is misspelled against Prosaist, a noun meaning "A writer of prose; an unpoetical writer."
Word contains consecutive vowels 'AI' in between alphabets pros & st is misspelled as 'U'Wrong Spelling:  pros-u-st  Correct Spelling:  pros-ai-st 
Check more misspelled words of Prosaist to spell it correct.