absurdum vs word salad

absurdum

noun
  • An illogical conclusion or state. 

word salad

noun
  • An intentionally nonsensical and voluminous statement. 

  • Meaningless text generated by a computer. 

  • A nonsensical assemblage of words, typical of schizophrenia, Wernicke's aphasia, and some other mental disorders. 

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