athletics vs track and field

athletics

noun
  • A group of sporting activities including track and field, road running, cross country and racewalking. 

  • Physical activities such as sports and games requiring stamina, fitness and skill. 

track and field

noun
  • A group of athletic sports, consisting mainly of various kinds of running, jumping and throwing, that take place on a track and the enclosed field. 

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