birth vs closing

birth

verb
  • To bear or give birth to (a child). 

  • To produce, give rise to. 

noun
  • A beginning or start; a point of origin. 

  • The process of childbearing; the beginning of life. 

  • That which is born. 

  • An instance of childbirth. 

  • The circumstances of one's background, ancestry, or upbringing. 

adj
  • A familial relationship established by childbirth. 

closing

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

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

  • The act by which something is closed. 

  • 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. 

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