ancestry vs breeding

ancestry

noun
  • Condition as to ancestors; ancestral lineage; hence, birth or honorable descent. 

  • A series of ancestors or progenitors; lineage, or those who compose the line of natural descent. 

breeding

noun
  • Descent; pedigree; extraction. 

  • The act of copulation in animals. 

  • Propagation of offspring through sexual reproduction. 

  • The good manners regarded as characteristic of the aristocracy and conferred by heredity. 

  • Nurture; education; formation of manners. 

  • Ejaculation inside the rectum during bareback anal sex. 

  • The act of insemination by natural or artificial means. 

adj
  • Of, relating to or used for breeding. 

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