closing vs decider

closing

noun
  • The act by which something is closed. 

  • In morphology, the erosion of the dilation of a set. 

  • The final procedure in a house sale, when documents are signed and recorded. 

  • The end or conclusion of something. 

adj
  • Pertaining to the finish or ending of a series of events; occurring at the end or after all others. 

decider

noun
  • An event or action which decides the outcome of a contested matter. 

  • A person, divinity, or authoritative text which decides. 

  • A Turing machine that halts regardless of its input. 

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