abstention vs spec

abstention

noun
  • Non-participation in the political world; as a country avoiding international affairs. 

  • The act of declining to vote on a particular issue. 

  • The act of abstaining or refraining (from). 

spec

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

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

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