naturalize vs tame

naturalize

verb
  • To acclimatize an animal or plant. 

  • To make (a word) a natural part of the language, using the native homologue of each phoneme (and often for each morpheme) of the imported word (e.g., native inflections). 

  • To study nature. 

  • To limit explanations of a phenomenon to naturalistic ones and exclude supernatural ones. 

  • To grant citizenship to someone not born a citizen. 

  • To make natural 

tame

verb
  • To make (an animal) tame; to domesticate. 

  • To make gentle or meek. 

  • To become tame or domesticated. 

adj
  • Crushed; subdued; depressed; spiritless. 

  • Mild and well-behaved; accustomed to human contact. 

  • Of a person, well-behaved; not radical or extreme. 

  • Not or no longer wild; domesticated. 

  • Capable of being represented as a finite closed polygonal chain. 

  • Not exciting. 

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