Prevul or Prevail: How To spell?
The word Prevul is misspelled against Prevail, a verb meaning "To be in force; to have effect, power, or influence; to be predominant; to have currency or prevalence; to obtain; as, the practice prevails this day."
Word contains consecutive vowels 'AI' in between alphabets prev & l is misspelled as 'U'Wrong Spelling:  prev-u-l  Correct Spelling:  prev-ai-l 
Check more misspelled words of Prevail to spell it correct.