acquire vs throw away

acquire

verb
  • To gain, usually by one's own exertions; to get as one's own 

  • To sample signals and convert them into digital values. 

  • To contract. 

  • To get. 

throw away

verb
  • To waste, to squander. 

  • To intentionally throw an incomplete pass. 

  • To give lightly, in an offhand manner. 

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

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