covert vs shearing

covert

noun
  • A covering. 

  • A disguise. 

  • A feather that covers the bases of flight feathers. 

  • Area of thick undergrowth where animals hide. 

  • A hiding place. 

adj
  • Under coverture. 

  • Secret, surreptitious, concealed. 

shearing

noun
  • The material cut off in this way. 

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

  • The process of preparing shear steel; tilting. 

  • The act or operation of dividing with shears. 

adj
  • Tending to cut or tear. 

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