axial vs berm

axial

noun
  • A plane parallel to the surface of a tooth. 

  • A flight feather that appears between the primaries and secondaries on some birds. 

adj
  • Belonging to the axis of the body, or to the axis of any appendage or organ 

  • Relating to, resembling, or situated on an axis 

  • In the same direction as the axis, parallel to the axis. 

  • oriented close to the axis running through the centre of a cyclohexane ring, as opposed to equatorial. See w:Axial bond. 

berm

noun
  • A narrow ledge or shelf, as along the top or bottom of a slope. 

  • A raised bank or path, especially the bank of a canal opposite the towpath. 

  • A mound or bank of earth, used especially as a barrier or to provide insulation. 

  • A terrace formed by wave action along a beach. 

  • A strip of land between a street and sidewalk. 

  • A ledge between the parapet and the moat in a fortification. 

  • Edge of a road. 

verb
  • To provide something with a berm 

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