ineptitude vs professionalism

ineptitude

noun
  • An instance of being inept. 

  • The quality of being inept. 

professionalism

noun
  • The status, methods, character or standards expected of a professional or of a professional organization, such as reliability, discretion, evenhandedness, and fair play. 

  • The use of professionals rather than amateurs in any sport etc. 

How often have the words ineptitude and professionalism occurred in a corpus of books? (source: Google Ngram Viewer )