adopt vs throw over

adopt

verb
  • To take by choice into the scope of one's responsibility. 

  • To take voluntarily (a child of other parents) to be in the place of, or as, one's own child. 

  • To take or receive as one's own what is not so naturally. 

  • To obtain (a pet) from a shelter or the wild. 

  • To select and take or approve. 

  • To beat an opponent ten times in a row. 

throw over

verb
  • To discard or give up (a plan or project, etc.). 

  • To end a romantic/sexual relationship with. 

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