discharge vs issue

discharge

verb
  • To give forth; to emit or send out. 

  • 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 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. 

noun
  • 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. 

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

  • 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. 

issue

verb
  • To send out; to put into circulation. 

  • To rush out, to sally forth. 

  • To deliver for use. 

  • To deliver by authority. 

  • To flow out, to proceed from, to come out or from. 

  • To extend into, to open onto. 

  • To turn out in a certain way, to result in. 

  • To come to a point in fact or law on which the parties join issue. 

noun
  • Income derived from fines levied by a court or law-enforcement officer; the fines themselves. 

  • A point of law or fact in dispute or question in a legal action presented for resolution by the court. 

  • The action or an instance of a company selling bonds, stock, or other securities. 

  • Any financial instrument issued by a company. 

  • The production or distribution of something for general use. 

  • A psychological or emotional difficulty, (now informal, figurative and usually euphemistic) any problem or concern considered as a vague and intractable difficulty. 

  • Offspring: one's natural child or children. 

  • The outflow of a bodily fluid, particularly (now rare) in abnormal amounts. 

  • The entire set of something; all of something. 

  • The distribution of something (particularly rations or standardized provisions) to someone or some group. 

  • The entire set of some item printed and disseminated during a certain period, particularly (publishing) a single printing of a particular edition of a work when contrasted with other print runs. 

  • The action or an instance of sending something out 

  • A small incision, tear, or artificial ulcer, used to drain fluid and usually held open with a pea or other small object. 

  • The means or opportunity by which something flows or comes out 

  • Anything in dispute, an area of disagreement whose resolution is being debated or decided. 

  • A single edition of a newspaper or other periodical publication. 

  • Any question or situation to be resolved 

  • The loan of a book etc. from a library to a patron; all such loans by a given library during a given period. 

  • Progeny: all one's lineal descendants. 

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