bite the dust vs plough into

bite the dust

verb
  • To die. 

  • My old backpack finally bit the dust the other day. 

  • To quit, or fail. 

plough into

verb
  • To crash into something. 

  • To engage in some activity with vigor. 

  • To invest a resource (money, material, energy) into something. 

How often have the words bite the dust and plough into occurred in a corpus of books? (source: Google Ngram Viewer )