concession vs leave

concession

verb
  • To grant or approve by means of a concession agreement. 

noun
  • A franchise: a business operated as a concession (see above). 

  • A concession road: a narrow road between tracts of farmland, especially in Ontario, from their origin during the granting of concessions (see above). 

  • The act of conceding. 

  • A right to operate a quasi-independent business within another's premises, as with concession stands. 

  • A preferential tax rate. 

  • A discounted price offered to certain classes of people, such as students or the elderly. 

  • An admission of defeat following an election. 

  • A territory—usually an enclave in a major port—yielded to the administration of a foreign power. 

  • A person eligible for a concession price (see above). 

  • A compromise: a partial yielding to demands or requests. 

  • A portion of a township, especially equal lots once granted to settlers in Canada. 

  • A right to operate a quasi-independent franchise of a larger company. 

  • The premises granted to a business as a concession (see below) 

  • An item sold within a concession (see above) or from a concessions stand. 

  • An admission of the validity of an opponent's point in order to build an argument upon it or to move on to another of greater importance; an instance of this. 

  • A right to use land or an offshore area for a specific purpose, such as oil exploration. 

  • A gift freely given or act freely made as a token of respect or to curry favor. 

  • Any admission of the validity or rightness of a point; an instance of this. 

leave

verb
  • To give (something) to someone; to deliver (something) to a repository; to deposit. 

  • To cause, to result in. 

  • To let be or do without interference. 

  • To cause or allow (something) to remain as available; to refrain from taking (something) away; to stop short of consuming or otherwise depleting (something) entirely. 

  • To transfer possession of after death. 

  • To give leave to; allow; permit; let; grant. 

  • To produce leaves or foliage. 

  • To put; to place; to deposit; to deliver, with a sense of withdrawing oneself. 

  • To depart; to go away from a certain place or state. 

  • To transfer responsibility or attention of (something) (to someone); to stop being concerned with. 

  • To depart from; to end one's connection or affiliation with. 

  • To end one's membership in (a group); to terminate one's affiliation with (an organization); to stop participating in (a project). 

noun
  • The action of the batsman not attempting to play at the ball. 

  • The arrangement of balls in play that remains after a shot is made (which determines whether the next shooter — who may be either the same player, or an opponent — has good options, or only poor ones). 

  • Permission to be absent; time away from one's work. 

  • Permission. 

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