breeding vs fosterage

breeding

noun
  • 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. 

  • Descent; pedigree; extraction. 

  • 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. 

fosterage

noun
  • The act of caring for another human being or animal. 

  • The act of fostering another's child as if it were one's own. 

  • The act of promoting or encouraging something. 

  • The condition of being the foster child. 

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