discharge vs slug

discharge

noun
  • The act of firing a projectile, especially from a firearm. 

  • The volume of water transported by a river in a certain amount of time, usually in units of m³/s (cubic meters per second). 

  • The process of flowing out. 

  • Pus or exudate (other than blood) from a wound or orifice, usually due to infection or pathology. 

  • The act of accomplishing (an obligation) or repaying a debt etc.; performance. 

  • The act of expelling or letting go. 

  • The act of releasing an inpatient from hospital. 

  • The act of releasing an accumulated charge. 

  • The act of releasing a member of the armed forces from service. 

  • The process of unloading something. 

verb
  • To operate (any weapon that fires a projectile, such as a shotgun or sling). 

  • To send away (a creditor) satisfied by payment; to pay one's debt or obligation to. 

  • To relieve of an office or employment; to send away from service; to dismiss. 

  • To release (an accumulated charge). 

  • To release legally from confinement; to set at liberty. 

  • To let fly, as a missile; to shoot. 

  • To free of a debt, claim, obligation, responsibility, accusation, etc.; to absolve; to acquit; to forgive; to clear. 

  • To release (an auxiliary assumption) from the list of assumptions used in arguments, and return to the main argument. 

  • To unload a ship or another means of transport. 

  • To give forth; to emit or send out. 

  • To release (an inpatient) from hospital. 

  • To put forth, or remove, as a charge or burden; to take out, as that with which anything is loaded or filled. 

  • To set aside; to annul; to dismiss. 

  • To bleach out or to remove or efface, as by a chemical process. 

  • To release (a member of the armed forces) from service. 

  • To accomplish or complete, as an obligation. 

  • To expel or let go. 

  • To let fly; to give expression to; to utter. 

slug

noun
  • A bullet or other projectile fired from a firearm; in modern usage, generally refers to a shotgun slug. 

  • A title, name or header, a catchline, a short phrase or title to indicate the content of a newspaper or magazine story for editing use. 

  • The last part of a clean URL, the displayed resource name, similar to a filename. 

  • A hard blow, usually with the fist. 

  • A black screen. 

  • A motile pseudoplasmodium formed by amoebae working together. 

  • A piece of type metal imprinted by a linotype machine; also a black mark placed in the margin to indicate an error; also said in application to typewriters; type slug. 

  • A ship that sails slowly. 

  • The imperial (English) unit of mass that accelerates by 1 foot per second squared (1 ft/s²) when a force of one pound-force (lbf) is exerted on it. 

  • A solid block or piece of roughly shaped metal. 

  • Any of many terrestrial pulmonate gastropod mollusks, having no (or only a rudimentary) shell. 

  • An accessory to a diesel-electric locomotive, used to increase adhesive weight and allow full power to be applied at a lower speed. It has trucks with traction motors, but lacks a prime mover, being powered by electricity from the mother locomotive, and may or may not have a control cab. 

  • A stranger picked up as a passenger to enable legal use of high occupancy vehicle lanes. 

  • A hitchhiking commuter. 

  • A counterfeit coin, especially one used to steal from vending machines. 

  • A discrete mass of a material that moves as a unit, usually through another material. 

  • A shot of a drink, usually alcoholic. 

verb
  • To hit very hard, usually with the fist. 

  • To drink quickly; to gulp; to down. 

  • To take part in casual carpooling; to form ad hoc, informal carpools for commuting, essentially a variation of ride-share commuting and hitchhiking. 

  • To make sluggish. 

  • To become reduced in diameter, or changed in shape, by passing from a larger to a smaller part of the bore of the barrel. 

  • To load with a slug or slugs. 

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