nab vs stockyard

nab

noun
  • The keeper, or box into which the lock is shot. 

  • The cock of a gunlock. 

  • The summit of a hill. 

verb
  • To grab or snatch something. 

  • To seize, arrest or take into custody (a criminal or fugitive). 

stockyard

noun
  • An enclosed yard, with pens, sheds etc. or stables, where livestock is kept temporarily before being slaughtered, treated, sold, or shipped etc. 

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