berth vs cot

berth

noun
  • A fixed bunk for sleeping (in caravans, trains, etc). 

  • A room in which a number of the officers or ship's company mess and reside. 

  • position on the field of play 

  • Room for maneuvering or safety. (Often used in the phrase a wide berth.) 

  • A job or position, especially on a ship. 

  • Position or seed in a tournament bracket. 

  • A space for a ship to moor or a vehicle to park. 

verb
  • To use a device to bring a spaceship into its berth/dock 

  • to bring (a ship or vehicle) into its berth/berthing 

  • to assign a berth (bunk or position) to 

cot

noun
  • A wooden bed frame, slung by its corners from a beam, in which officers slept before the introduction of bunks. 

  • A cover or sheath; a fingerstall. 

  • A simple bed, especially one for portable or temporary purposes. 

  • A bed for infants or small children, with high, often slatted, often moveable sides. 

  • A pen, coop, or similar shelter for small domestic animals, such as sheep or pigeons. 

  • A small, crudely-formed boat. 

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