absurdum vs incongruity

absurdum

noun
  • An illogical conclusion or state. 

incongruity

noun
  • The state of being incongruous, or lacking congruence. 

  • A thing that is incongruous. 

  • An instance or point of disagreement 

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