inning vs spec

inning

noun
  • A player (or team)'s turn at the table to make shots until ended by a miss or a foul. 

  • A chance or opportunity to perform some deed or act. 

  • A period of play in which members of a visiting baseball team attempt to hit a baseball pitched by the opposing home team until three players are called out, followed by a similar attempt by members of the home baseball team against the visiting team's pitching. There are nine or more innings in a regulation baseball game. 

  • A similar period of play. 

spec

noun
  • A spectacular mark (catch) in Australian rules football. 

verb
  • To specify, especially in a formal specification document. 

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