side chick vs trull

side chick

noun
  • A mistress; a woman one dates in addition to one's girlfriend or wife, usually in secret. 

trull

noun
  • A female prostitute or harlot. 

  • A set of three special trump cards used in some Tarock games, having a higher value than the other trumps. 

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