cops vs dibble

cops

noun
  • The police, considered as a group entity. 

  • The connecting crook of a harrow. 

dibble

noun
  • Preceded by the: the police. 

  • A pointed implement used to make holes in the ground in which to set out plants or to plant seeds. 

  • A police officer, especially one serving with Greater Manchester Police. 

verb
  • To make holes or plant seeds using, or as if using, a dibble. 

  • To dib or dip frequently, as in angling. 

  • To use a dibble; to make holes in the soil. 

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