Tun or Tain: How To spell?
The word Tun is misspelled against Tain, a noun meaning "Thin tin plate; also, tin foil for mirrors."
Word contains consecutive vowels 'AI' in between alphabets t & n is misspelled as 'U'Wrong Spelling:  t-u-n  Correct Spelling:  t-ai-n 
Check more misspelled words of Tain to spell it correct.