headliner vs thesp

headliner

noun
  • The interior fabric covering the roof of a vehicle. 

  • The headlining band or performer at a concert or similar event; the best-known and first billed musician, comedian, etc., often performing as the final act of the evening. 

thesp

noun
  • An actor. 

verb
  • To act (perform in a play etc.). 

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