breed vs tend

breed

verb
  • To yield or result in. 

  • 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 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. 

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. 

tend

verb
  • To contribute to or toward some outcome. 

  • To be likely, or probable to do something, or to have a certain habit or leaning. 

  • To accompany as an assistant or protector; to care for the wants of; to look after; to watch; to guard. 

  • To kindle; ignite; set on fire; light; inflame; burn. 

  • To look after (e.g. an ill person.) 

  • To manage (an anchored vessel) when the tide turns, to prevent it from entangling the cable when swinging. 

  • To make a tender of; to offer or tender. 

  • To wait (upon), as attendants or servants; to serve; to attend. 

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