discharge vs lock

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. 

lock

noun
  • The firing mechanism. 

  • A device for keeping a wheel from turning. 

  • A segment of a canal or other waterway enclosed by gates, used for raising and lowering boats between levels. 

  • Complete control over a situation. 

  • Something sure to be a success. 

  • A fastening together or interlacing; a closing of one thing upon another; a state of being fixed or immovable. 

  • A place impossible to get out of, as by a lock. 

  • A grapple in wrestling. 

  • A tuft or length of hair, wool, etc. 

  • A small quantity of straw etc. 

  • A quantity of meal, the perquisite of a mill-servant. 

  • A player in the scrum behind the front row, usually the tallest members of the team. 

  • A mutex or other token restricting access to a resource. 

  • Something used for fastening, which can only be opened with a key or combination. 

verb
  • To raise or lower (a boat) in a lock. 

  • To modify (a thread) so that users cannot make new posts in it. 

  • To freeze one's body or a part thereof in place. 

  • To fasten with a lock. 

  • To be capable of becoming fastened in place. 

  • To seize (e.g. the sword arm of an antagonist) by turning one's left arm around it, to disarm them. 

  • To play in the position of lock. 

  • To become fastened in place. 

  • To intertwine or dovetail. 

  • To prevent a page from being edited by other users. 

  • To furnish (a canal) with locks. 

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