Wilful or Wailful: How To spell?
The word Wilful is misspelled against Wailful, an adjective meaning "Sorrowful; mournful."
Word contains consecutive vowels 'AI' in between alphabets w & lful is misspelled as 'I'Wrong Spelling:  w-i-lful  Correct Spelling:  w-ai-lful 
Check more misspelled words of Wailful to spell it correct.