jettison vs shearing

jettison

noun
  • The action of jettisoning items. 

  • Items that have been or are about to be ejected from a boat or balloon. 

verb
  • To eject from a boat, submarine, aircraft, spaceship or hot-air balloon, so as to lighten the load. 

  • To let go or get rid of as being useless or defective. 

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 jettison and shearing occurred in a corpus of books? (source: Google Ngram Viewer )