discrimination vs marbles

discrimination

noun
  • Discernment, the act of discriminating, discerning, distinguishing, noting or perceiving differences between things, with the intent to understand rightly and make correct decisions. 

  • Differential treatment of an individual or group to their disadvantage; treatment or consideration based on class or category rather than individual merit; partiality; prejudice; bigotry. 

  • The quality of being discriminating; acute discernment, especially in matters of good taste. 

marbles

noun
  • Sanity. 

  • Bits of rolled-up rubber shed by the tires of race cars that accumulate at the edges of the track, especially at the corners. 

  • Any of several children's games played with small balls (made of marble or more commonly glass). 

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