Twean or Twain: How To spell?
The word Twean 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 'EA'Wrong Spelling:  tw-ea-n  Correct Spelling:  tw-ai-n 
Explore spell check of Twain to spell without errors.