Betaune or Betaine: How To spell?
The word Betaune is misspelled against Betaine, a noun meaning "A nitrogenous base, C5H11NO2, produced artificially, and also occurring naturally in beet-root molasses and its residues, from which it is extracted as a white crystalline substance; -- called also lycine and oxyneurine. It has a sweetish taste."
Word contains consecutive vowels 'AI' in between alphabets bet & ne is misspelled as 'AU'Wrong Spelling:  bet-au-ne  Correct Spelling:  bet-ai-ne 
Check more misspelled words of Betaine to spell it correct.