Stifftul or Stifftail: How To spell?
The word Stifftul is misspelled against Stifftail, a noun meaning "The ruddy duck."
Word contains consecutive vowels 'AI' in between alphabets stifft & l is misspelled as 'U'Wrong Spelling:  stifft-u-l  Correct Spelling:  stifft-ai-l 
Check more misspelled words of Stifftail to spell it correct.