cup-and-ball vs knave

cup-and-ball

noun
  • A traditional children's toy consisting of a hand-held wooden cup with a ball attached by a string. The player jerks the ball into the air and attempts to catch it in the cup. 

knave

noun
  • A playing card marked with the figure of a servant or soldier; a jack. 

  • A tricky, deceitful fellow; a dishonest person. 

How often have the words cup-and-ball and knave occurred in a corpus of books? (source: Google Ngram Viewer )