shearing vs shears

shearing

noun
  • The act or operation of clipping with shears or a shearing machine, as the wool from sheep, or the nap from cloth. 

  • Deformation by forces acting in opposite directions. 

  • The process of making a vertical side cutting in working into a face of coal. 

  • The act or operation of reaping. 

  • The material cut off in this way. 

  • The process of preparing shear steel; tilting. 

  • The act or operation of dividing with shears. 

adj
  • Tending to cut or tear. 

shears

noun
  • A tool consisting of two blades with bevel edges, connected by a pivot, used for cutting cloth, or for removing the fleece from sheep etc. 

  • Anything resembling a pair of shears in shape or motion, such as a pair of wings. 

  • The bedpiece of a machine tool, upon which a table or slide rest is secured. 

  • An apparatus for raising heavy weights, and especially for stepping and unstepping the lower masts of ships. It consists of two or more spars or pieces of timber, fastened together near the top, steadied by a guy or guys, and furnished with the necessary tackle. Also sheers. 

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