be pertinacious in vs see through

be pertinacious in

see through

verb
  • To provide support or cooperation to (a person) throughout a period of time; to support someone through a difficult time. 

  • To constitute ample supply for one for. 

  • To not be deceived by something that is false or misleading; to understand the hidden truth about someone or something. 

  • To do something until it is finished; to continue working on (something) until it is finished. 

  • To recognize someone's true motives or character. 

  • To perceive visually through something transparent. 

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