Clasicalism or Classicalism: How To spell?
The word Clasicalism is misspelled against Classicalism, a noun meaning "A classical idiom, style, or expression; a classicism."
Classicalism has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings cla & icalism which should not be misspelled with single 'S'
Wrong Spelling:  cla-s-icalism  Correct Spelling:  cla-ss-icalism 
Find more wrongly spelled words of Classicalism to spell it well.