Caffetanic or Caffetannic: How To spell?
The word Caffetanic is misspelled against Caffetannic, an adjective meaning "Pertaining to, or derived from, the tannin of coffee."
Caffetannic has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings caffeta & ic which should not be misspelled with single 'N'
Wrong Spelling:  caffeta-n-ic  Correct Spelling:  caffeta-nn-ic 
Find more wrongly spelled words of Caffetannic to spell it well.