conserve vs go through

conserve

verb
  • To save for later use, sometimes by the use of a preservative. 

  • To protect an environment, heritage, etc. 

  • To remain unchanged during a process 

noun
  • Wilderness where human development is prohibited. 

  • A jam or thick syrup made from fruit. 

go through

verb
  • To use up or wear out (clothing etc.). 

  • To examine or scrutinize (a number or series of things). 

  • To travel from one end of something to the other. 

  • To enact or recite the entire length of (something). 

  • To progress to the next stage of something. 

  • To reach an intended destination after passing through some process. 

  • To undergo, suffer, experience. 

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