prediction vs warning

prediction

noun
  • A statement of what will happen in the future. 

  • A probability estimation based on statistical methods. 

warning

noun
  • Something spoken or written that is intended to warn. 

  • The action of the verb warn; an instance of warning someone. 

intj
  • Used to warn of danger in signs and notices. 

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