pushing vs starring

pushing

noun
  • The act by which something is pushed. 

adj
  • That pushes forward; pressing, driving. 

starring

noun
  • The action of the verb to star. 

adj
  • Performing as a star; having the leading role. 

verb
  • That which has the specified actor or actors, especially those in lead roles, in its cast. 

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