accroach vs give in

accroach

verb
  • To usurp, as jurisdiction or royal prerogatives. 

  • To encroach. 

  • To hook, or draw to oneself as with a hook. 

give in

verb
  • to droop the head 

  • to collapse or fall 

  • to relent, yield, surrender or admit defeat 

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