Darwinian vs dog eat dog

Darwinian

adj
  • Competitive, especially in a ruthless manner. 

  • Of or pertaining to the scientific views advanced by the English biologist, geologist, and naturalist Charles Darwin, especially his theory that living organisms evolve through the natural selection of inherited variations that increase organisms' ability to compete, survive, and reproduce. 

  • Of or pertaining to Darwin, the capital city of the Northern Territory, Australia. 

  • Of or pertaining to Darwinism, which includes the theories of Charles Darwin and other scientists. 

  • Exhibiting an ability to adapt or develop in order to survive; adaptable. 

  • Of or pertaining to the philosophical and scientific views, or poetic style, of the natural philosopher, physiologist, and poet Erasmus Darwin. 

noun
  • A native or resident of Darwin in the Northern Territory, Australia. 

  • An adherent of Charles Darwin's theory of the origin of species, or of Darwinism. 

dog eat dog

adj
  • Ruthlessly acquisitive or competitive. Describes a business or other set of circumstances where people try to succeed at the expense of other people. 

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