bunker vs supply depot

bunker

noun
  • A hardened shelter, often partly buried or fully underground, designed to protect the inhabitants from falling bombs or other attacks. 

  • One who bunks off; a truant from school. 

  • A sort of box or chest, as in a window, the lid of which serves as a seat. 

  • The menhaden, any of several species of fish in the genera Brevoortia and Ethmidium. 

  • A container for storing coal or fuel oil for a ship's engine; (by extension) the quantity of fuel needed to replenish that container. 

  • A large bin or container for storing coal, often built outdoors in the yard of a house. 

  • A hazard on a golf course consisting of a sand-filled hollow. 

  • A kitchen worktop. 

  • The coal compartment on a tank engine. 

  • An obstacle used to block an opposing player's view and field of fire. 

verb
  • Of a vessel: to take a load of coal or fuel oil for its engine. 

  • To steal bunker fuel by illicitly siphoning it off. 

  • To fire constantly at (an opponent hiding behind an obstacle), trapping them and preventing them from firing at other players; also, to eliminate (an opponent behind an obstacle) by rushing to the position and firing at extremely close range as the player becomes exposed. 

  • To hit (a golf ball) into a bunker; (chiefly passive) to place (a golfer) in the position of having a golf ball in a bunker. 

  • To place (someone) in a position that is difficult to get out of; to hinder. 

  • Often followed by down: to take shelter in a bunker or other place. 

  • To load (a vessel) with coal or fuel oil for the engine. 

supply depot

noun
  • A facility utilized by armies to store battlefield supplies temporarily on or near the front lines until they can be distributed to army units. 

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