play-actor vs soubrette

play-actor

noun
  • An actor who performs on stage, especially one who is part of an acting troupe. 

soubrette

noun
  • A female attendant or servant, especially one who is cheeky or mischievous, often featuring in theatrical comedies. 

How often have the words play-actor and soubrette occurred in a corpus of books? (source: Google Ngram Viewer )