acquire vs refuse

acquire

verb
  • To sample signals and convert them into digital values. 

  • To contract. 

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

  • To get. 

refuse

noun
  • Collectively, items or material that have been discarded; rubbish, garbage. 

verb
  • To decline a request or demand, forbear; to withhold permission. 

  • To melt again. 

  • To decline (a request or demand). 

  • To throw back, or cause to keep back (as the centre, a wing, or a flank), out of the regular alignment when troops are about to engage the enemy. 

adj
  • Discarded, rejected. 

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