Twin or Twain: How To spell?
The word Twin is misspelled against Twain, an adjective meaning "Two; -- nearly obsolete in common discourse, but used in poetry and burlesque."
Word contains consecutive vowels 'AI' in between alphabets tw & n is misspelled as 'I'Wrong Spelling:  tw-i-n  Correct Spelling:  tw-ai-n 
Find more wrongly spelled words of Twain to spell it well.