jockey for position vs jostle

jockey for position

verb
  • To try to come out ahead in a competition for something specific or put oneself in a more favourable position generally. 

  • To try to get one's horse into a better position during a horse race. 

jostle

verb
  • To contend or vie in order to acquire something. 

  • To bump into or brush against while in motion; to push aside. 

  • To move through by pushing and shoving. 

  • To be close to or in physical contact with. 

noun
  • The action of a jostling crowd. 

  • The act of jostling someone or something; push, shove. 

How often have the words jockey for position and jostle occurred in a corpus of books? (source: Google Ngram Viewer )