championship vs sponsorship

championship

noun
  • Defense or support of some cause. 

  • A competition to determine a champion, especially the final of a series of competitions. 

  • The position of champion, or winner. 

sponsorship

noun
  • The aid or support provided by a sponsor; backing or patronage. 

  • The state or practice of being a sponsor. 

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