Toutomerism or Tautomerism: How To spell?
The word Toutomerism is misspelled against Tautomerism, a noun meaning "The condition, quality, or relation of metameric substances, or their respective derivatives, which are more or less interchangeable, according as one form or the other is the more stable. It is a special case of metamerism; thus, the lactam and the lactim compounds exhibit tautomerism."
Word contains consecutive vowels 'AU' in between alphabets t & tomerism is misspelled as 'OU'Wrong Spelling:  t-ou-tomerism  Correct Spelling:  t-au-tomerism 
Check more misspelled words of Tautomerism to spell it correct.