Atwun or Atwain: How To spell?
The word Atwun is misspelled against Atwain, an adverb meaning "In twain; asunder."
Word contains consecutive vowels 'AI' in between alphabets atw & n is misspelled as 'U'Wrong Spelling:  atw-u-n  Correct Spelling:  atw-ai-n 
Check more misspelled words of Atwain to spell it correct.