singer vs thespian

singer

noun
  • A person who, or device which, singes. 

  • A person who sings, often professionally. 

  • A machine for singeing cloth. 

  • dance figure with a fixed structure, sung by a caller, or a piece of music with that structure. 

thespian

noun
  • An actor or player. 

adj
  • Of, or relating to drama and acting; dramatic, theatrical. 

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