breed vs generation

breed

noun
  • A race or lineage; offspring or issue. 

  • A group of people with shared characteristics. 

  • All animals or plants of the same species or subspecies. 

verb
  • To produce offspring sexually; to bear young. 

  • To arrange the mating of specific animals. 

  • To produce or obtain by any natural process. 

  • To have birth; to be produced, developed or multiplied. 

  • To yield or result in. 

  • To ejaculate inside; to attempt to impregnate. 

  • Of animals, to mate. 

  • To take care of in infancy and through childhood; to bring up. 

  • To propagate or grow plants trying to give them certain qualities. 

  • To give birth to; to be the native place of. 

  • To educate; to instruct; to bring up 

  • To keep animals and have them reproduce in a way that improves the next generation’s qualities. 

generation

noun
  • Race, family; breed. 

  • A set stage in the development of computing or of a specific technology. 

  • The formation or production of any geometrical magnitude, as a line, a surface, a solid, by the motion, in accordance with a mathematical law, of a point or a magnitude, by the motion of a point, of a surface by a line, a sphere by a semicircle, etc. 

  • A version of a form of pop culture which differs from later or earlier versions. 

  • The act of creating a living creature or organism; procreation. 

  • The average amount of time needed for children to grow up and have children of their own, generally considered to be a period of around thirty years, used as a measure of time. 

  • The act of creating something or bringing something into being; production, creation. 

  • A single step or stage in the succession of natural descent; a rank or degree in genealogy, the members of a family from the same parents, considered as a single unit. 

  • A group of people born in a specific range of years and whose members can relate culturally to one another. 

  • A copy of a recording made from an earlier copy and thus further degraded in quality. 

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