continue vs naturalize

continue

noun
  • An option allowing the player to resume play after game over, when all lives have been lost, while retaining their progress. 

verb
  • To make a continuation bet. 

  • To retain (someone or something) in a given state, position, etc. 

  • To proceed with (doing an activity); to prolong (an activity). 

  • To remain in a given place or condition; to remain in connection with; to abide; to stay. 

  • To make last; to prolong. 

  • To resume. 

  • To adjourn, prorogue, put off. 

naturalize

verb
  • 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 acclimatize an animal or plant. 

  • To make natural 

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