flattie vs policeman

flattie

noun
  • A flat-bottomed sloop-rigged sharpie. 

  • A navel that is neither protruding nor sunken. 

  • A flatmate. 

  • A person with a flat chest, i.e., without breasts. 

  • The operator of a flat joint, or crooked gambling operation. 

  • A flat earther. 

  • A traditional two-dimensional motion picture, as opposed to a deepie. 

  • A flat white (type of coffee). 

  • A flattie spider. 

  • A flat-coated retriever. 

  • A flat store. 

  • A flat marinated cut of meat. 

policeman

noun
  • A glass rod capped at one end with rubber, used in a chemistry laboratory for gravimetric analysis. 

  • Any skipper of the genus Coeliades. 

  • Synonym of enforcer 

  • A male police officer, sometimes used for any police officer regardless of gender. 

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