obtain vs throw away

obtain

verb
  • To get hold of; to gain possession of, to procure; to acquire, in any way. 

throw away

verb
  • To discard (trash, garbage, or the like), to toss out, to put in the trash, to dispose of. 

  • To intentionally throw an incomplete pass. 

  • To waste, to squander. 

  • To give lightly, in an offhand manner. 

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