bullet vs discharge

bullet

noun
  • A projectile, usually of metal, shot from a gun at high speed. 

  • chess played at an extremely fast time control, with one minute given to each player. (Short for bullet chess.) 

  • A young or little bull; a male calf. 

  • An entire round of unfired ammunition for a firearm, including the projectile, the cartridge casing, the propellant charge, etc. 

  • One year of prison time. 

  • A plumb or sinker. 

  • An ace (the playing card). 

  • A roughly bullet-shaped sweet consisting of a cylinder of liquorice covered in chocolate. 

  • Ammunition for a sling or slingshot which has been manufactured for such use. 

  • A rejection letter, as for employment, admission to a school or a competition. 

  • Very fast (speedy). 

  • Anything that is projected extremely fast. 

  • A notation used on pop music charts to indicate that a song is climbing in the rankings. 

  • A large scheduled repayment of the principal of a loan; a balloon payment. 

  • A printed symbol in the form of a solid circle, “•”, often used to mark items in a list. 

  • The heavy projectile thrown in a game of road bowling. 

verb
  • To make a shot, especially with great speed. 

  • To draw attention to (text) by, or as if by, placing a graphic bullet in front of it. 

  • To speed, like a bullet. 

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. 

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