accroach vs expropriate

accroach

verb
  • To usurp, as jurisdiction or royal prerogatives. 

  • To encroach. 

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

expropriate

verb
  • To deprive a person of (their private property) for public use. 

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