Aticism or Atticism: How To spell?
The word Aticism is misspelled against Atticism, a noun meaning "A favoring of, or attachment to, the Athenians."
Atticism has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings a & icism which should not be misspelled with single 'T'
Wrong Spelling:  a-t-icism  Correct Spelling:  a-tt-icism 
Find more wrongly spelled words of Atticism to spell it well.