let in vs take it

let in

verb
  • To let someone or something come in; to admit someone or something in. 

  • To associate with. 

  • To divulge one's inner thoughts to (someone), making oneself emotionally vulnerable to them; to open up to (someone). 

take it

verb
  • to reluctantly accept or believe; to acquiesce 

  • to suppose 

  • to start doing 

  • Used other than figuratively or idiomatically: see take, it. 

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