plea vs round robin

plea

noun
  • An appeal, petition, urgent prayer or entreaty. 

  • That which is alleged or pleaded, in defense or in justification. 

  • The defendant’s answer to the plaintiff’s declaration and demand. 

  • A cause in court; a lawsuit; as, the Court of Common Pleas. 

  • An allegation of fact in a cause, as distinguished from a demurrer. 

  • An excuse; an apology. 

  • That which is alleged by a party in support of his cause. 

verb
  • To plead; to argue. 

round robin

noun
  • A petition signed in a circular fashion to disguise the order in which it was done. 

  • A form of bet on the full set of possible combinations from a larger group (of teams, racehorses, etc.), such as the outcomes A+B, B+C and A+C from a group ABC. 

  • A method of dividing loot amongst a party of players by having the game assign in turn loot to a player or an enemy corpse to loot to a player. 

  • A form of trade, a series of exchanges in which each person in turn receives items of the same value from the previous person, finally returning to the original donor. For example in (philately) a stamp collector sends a packet of stamps to the next person on a list, who then takes the stamps he wants, replacing them with like-valued stamps, and then passing the packet to the next person on the list, until the packet ultimately returns to the original sender. 

  • A letter, with copies to multiple recipients, usually at Christmastime and often enclosed with a card, giving family news of interest to the sender. 

  • The MIDI technique of using different sampled versions of the same sound for successive notes, to avoid an unnaturally repetitive effect. 

  • A method of dividing labor between several similar subsystems, assigning tasks to each of them in turn in an attempt to use resources more equitably. 

  • The part of a tournament in which every player or team competes against each of the others in turn. 

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