discharge vs pitch

discharge

verb
  • To expel or let go. 

  • 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 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. 

pitch

verb
  • To throw away; discard. 

  • To fix or set the tone of. 

  • To play baseball in the position of pitcher. 

  • To play a short, high, lofty shot that lands with backspin. 

  • To set or fix. 

  • To deliver in a certain tone or style, or with a certain audience in mind. 

  • To fix or place a tent or temporary habitation; to encamp. 

  • To attack, or position or assemble for attack. 

  • To darken; to blacken; to obscure. 

  • To cover or smear with pitch. 

  • To throw. 

  • To promote, advertise, or attempt to sell. 

  • To assemble or erect (a tent). 

  • To move so that the front of an aircraft or boat goes alternatively up and down. 

  • To bounce on the playing surface. 

  • To settle and build up, without melting. 

  • To discard for some gain. 

  • To throw (the ball) toward a batter at home plate. 

  • To fix one's choice. 

  • To set, face, or pave with rubble or undressed stones. 

  • To produce a note of a given pitch. 

  • To plunge or fall; especially, to fall forward; to decline or slope. 

noun
  • A descent; a fall; a thrusting down. 

  • A measure of the angle of attack of a propeller. 

  • The angle at which an object sits. 

  • The standard to which a group of musical instruments are tuned or in which a piece is performed, usually by reference to the frequency to which the musical note A above middle C is tuned. 

  • In an a cappella group, the singer responsible for singing a note for the other members to tune themselves by. 

  • An area on a campsite intended for occupation by a single tent, caravan or similar. 

  • The degree to which a vehicle, especially a ship or aircraft, rotates on such an axis, tilting its bow or nose up or down. Compare with roll, yaw, and heave. 

  • The field on which cricket, soccer, rugby, gridiron or field hockey is played. (In cricket, the pitch is in the centre of the field; see cricket pitch.) (Not often used in the US or Canada, where "field" is the preferred word.) 

  • A point or peak; the extreme point of elevation or depression. 

  • A level or degree, or (by extension), a peak or highest degree. 

  • The most thrust-out point of a headland or cape. 

  • The height a bird reaches in flight, especially a bird of prey preparing to swoop down on its prey. 

  • The distance between evenly spaced objects, e.g. the teeth of a saw or gear, the turns of a screw thread, the centres of holes, or letters in a monospace font. 

  • The act of pitching a baseball. 

  • A sticky, gummy substance secreted by trees; sap. 

  • The point where a declivity begins; hence, the declivity itself; a descending slope; the degree or rate of descent or slope; slant. 

  • A throw; a toss; a cast, as of something from the hand. 

  • The field of battle. 

  • A section of a climb or rock face; specifically, the climbing distance between belays or stances. 

  • That point of the ground on which the ball pitches or lights when bowled. 

  • The perceived frequency of a sound or note. 

  • A dark, extremely viscous material remaining in still after distilling crude oil and tar. 

  • Pitchstone. 

  • An effort to sell or promote something. 

  • The limit of ground set to a miner who receives a share of the ore taken out. 

  • A vertical cave passage, only negotiable by using rope or ladders. 

  • The place where a busker performs, a prostitute solicits clients, or an illegal gambling game etc. is set up before the public. 

  • An area in a market (or similar) allocated to a particular trader. 

  • A person's or animal's height. 

  • Prominence; importance. 

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