get to vs strengthen

get to

verb
  • To intimidate. 

  • To be allowed to. 

  • To reach or arrive at (a physical or abstract destination, or state of doing a certain activity). 

  • To affect adversely; to upset or annoy. 

  • To go to or be located at (a particular place). 

strengthen

verb
  • To empower; to give moral strength to; to encourage; to enhearten. 

  • To make strong or stronger; to add strength to; to increase the strength of; to fortify. 

  • To reinforce, to add to, to support (someone or something) 

  • To grow strong or stronger. 

  • To substantiate; to corroborate (a belief, argument, etc.) 

  • To augment; to improve; to intensify. 

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