exclude vs let in

exclude

verb
  • To bar (someone or something) from entering; to keep out. 

  • To expel; to put out. 

  • To omit from consideration. 

  • To refuse to accept (evidence) as valid. 

  • To eliminate from diagnostic consideration. 

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). 

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