cover vs release

cover

verb
  • To be over or upon, as to conceal or protect. 

  • To make a cover version of (a song that was originally recorded by another artist). 

  • To defend (mark) a particular player or area. 

  • To discuss thoroughly; to provide coverage of. 

  • To set upon all of, so as to completely conceal. 

  • To be upon all of, so as to completely conceal. 

  • To provide insurance coverage for. 

  • To traverse or put behind a certain distance. 

  • To act as a replacement. 

  • To deal with or include someone or something. 

  • To be enough money for. 

  • To invest (oneself with something); to bring upon (oneself). 

  • To have as an assignment or responsibility. 

  • To protect using an aimed firearm and the threat of firing; or to protect using continuous, heaving fire at or in the direction of the enemy so as to force the enemy to remain in cover; or to threaten using an aimed firearm. 

  • To place something over or upon, as to conceal or protect. 

  • To extend over a given period of time or range, to occupy, to stretch over a given area. 

  • To copulate with (said of certain male animals such as dogs and horses). 

  • To protect or control (a piece or square). 

noun
  • The top sheet of a bed. 

  • A persona maintained by a spy or undercover operative; cover story. 

  • The front and back of a book, magazine, CD package, etc. 

  • A cloth or similar material, often fitted, placed over an item such as a car or sofa or food to protect it from dust, rain, insects, etc. when not being used. 

  • A collection (or family) of subsets of a given set, whose union contains every element of said original set. 

  • Area or situation which screens a person or thing from view. 

  • An envelope complete with stamps and postmarks etc. 

  • A solid object, including terrain, that provides protection from enemy fire. 

  • The portion of a slate, tile, or shingle that is hidden by the overlap of the course above. 

  • An insurance contract; coverage by an insurance contract. 

  • A setting at a restaurant table or formal dinner. 

  • A new performance or rerecording of a previously recorded song; a cover version; a cover song. 

  • The distance between reinforcing steel and the exterior of concrete. 

  • A fielding position on the off side, between point and mid off, about 30° forward of square; a fielder in this position. 

  • A cover charge. 

  • In a steam engine, the lap of a slide valve. 

  • A lid. 

  • In commercial law, a buyer’s purchase on the open market of goods similar or identical to the goods contracted for after a seller has breached a contract of sale by failure to deliver the goods contracted for. 

adj
  • Of, pertaining to, or consisting of cover versions. 

  • Of or pertaining to the front cover of a book or magazine. 

release

verb
  • To let go (of); to cease to hold or contain. 

  • To set free a chemical substance. 

  • To make available to the public. 

  • To loosen; to relax; to remove the obligation of. 

  • To set up; to provide with a goal-scoring opportunity 

  • To free or liberate; to set free. 

  • (of a call) To hang up. 

  • To let go, as a legal claim; to discharge or relinquish a right to, as lands or tenements, by conveying to another who has some right or estate in possession, as when the person in remainder releases his right to the tenant in possession; to quit. 

  • to come out; be out. 

  • To discharge. 

  • To lease again; to grant a new lease of; to let back. 

noun
  • The act or manner of ending a sound. 

  • In the block system, a printed card conveying information and instructions to be used at intermediate sidings without telegraphic stations. 

  • The giving up of a claim, especially a debt. 

  • Anything recently released or made available (as for sale). 

  • A catch on a motor-starting rheostat, which automatically releases the rheostat arm and so stops the motor in case of a break in the field circuit. 

  • The catch on an electromagnetic circuit breaker for a motor, triggered in the event of an overload. 

  • The lever or button on a camera that opens the shutter to allow a photograph to be taken 

  • Orgasm. 

  • A kind of bridge used in jazz music. 

  • The distribution of an initial or new and upgraded version of a computer software product; the distribution can be either public or private. 

  • The process by which a chemical substance is set free. 

  • The event of setting (someone or something) free (e.g. hostages, slaves, prisoners, caged animals, hooked or stuck mechanisms). 

  • That which is released, untied or let go. 

  • Liberation from pain or suffering. 

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