hone vs make economies in

hone

intj
  • Synonym of alas Used to express sorrow, or grief 

noun
  • A machine tool used in the manufacture of precision bores. 

  • A kind of swelling in the cheek. 

  • A sharpening stone composed of extra-fine grit used for removing the burr or curl from the blade of a razor or some other edge tool. 

verb
  • To pine, lament, or long. 

  • To sharpen with a hone; to whet. 

  • To refine or master (a skill). 

  • To grumble. 

  • To make more acute, intense, or effective. 

  • To use a hone to produce a precision bore. 

make economies in

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