Nul or Nail: How To spell?
The word Nul is misspelled against Nail, a noun meaning "A slender, pointed piece of metal, usually with a head, used for fastening pieces of wood or other material together, by being driven into or through them."
Word contains consecutive vowels 'AI' in between alphabets n & l is misspelled as 'U'Wrong Spelling:  n-u-l  Correct Spelling:  n-ai-l 
Check more misspelled words of Nail to spell it correct.