mast vs pole

mast

noun
  • A tall, slim post or tower, usually tapering upward, used to support, for example, sails or observation platforms on a ship, the main rotor of a helicopter, flags, floodlights, meteorological instruments, or communications equipment, such as an aerial, usually supported by guy-wires (except in the case of a helicopter). 

  • The fruit of forest-trees (beech, oak, chestnut, pecan, etc.), especially if having fallen from the tree, used as fodder for pigs and other animals. 

  • A non-judicial punishment ("NJP"); a disciplinary hearing under which a commanding officer studies and disposes of cases involving those under his command. 

  • The anabolic steroid Drostanolone propionate, also known as Masteron 

verb
  • To supply and fit a mast to (a ship). 

  • To feed on forest seed or fruit. 

  • To produce a very large quantity of fruit or seed in certain years but not others. 

pole

noun
  • A telescope used to identify birds, aeroplanes or wildlife. 

  • Either of the two points on the earth's surface around which it rotates; also, similar points on any other rotating object. 

  • A construction by which an animal is harnessed to a carriage. 

  • A gun. 

  • Either of the states that characterize a bipolar disorder. 

  • A point of magnetic focus, especially each of the two opposing such points of a magnet (designated north and south). 

  • A fixed point relative to other points or lines. 

  • Originally, a stick; now specifically, a long and slender piece of metal or (especially) wood, used for various construction or support purposes. 

  • A type of basic fishing rod. 

  • A long sports implement used for pole-vaulting; now made of glassfiber or carbon fiber, formerly also metal, bamboo and wood have been used. 

  • Pole position. 

  • For a meromorphic function f(z), any point a for which f(z)→∞ as z→a. 

  • A unit of length, equal to a rod (¹⁄₄ chain or 5+¹⁄₂ yards). 

  • A penis. 

  • A contact on an electrical device (such as a battery) at which electric current enters or leaves. 

verb
  • To propel by pushing with poles, to push with a pole. 

  • To furnish with poles for support. 

  • To identify something quite precisely using a telescope. 

  • To convey on poles. 

  • To stir, as molten glass, with a pole. 

  • To strike (the ball) very hard. 

  • To induce piezoelectricity in (a substance) by aligning the dipoles. 

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