pig vs swab

pig

verb
  • To clean (a pipeline) using a pig (the device). 

  • To live together in a crowded filthy manner. 

  • To huddle or lie together like pigs, in one bed. 

  • to give birth. 

  • To greedily consume (especially food). 

noun
  • Any of several mammalian species of the genus Sus, having cloven hooves, bristles and a nose adapted for digging; especially the domesticated animal Sus domesticus. 

  • A light pinkish-red colour, like that of a pig (also called pig pink). 

  • A lead container used for radioactive waste. 

  • A young swine, a piglet (contrasted with a hog, an adult swine). 

  • A simple dice game in which players roll the dice as many times as they like, either accumulating a greater score or losing previous points gained. 

  • The general-purpose M60 machine gun, considered to be heavy and bulky. 

  • Someone who overeats or eats rapidly and noisily. 

  • The edible meat of such an animal; pork. 

  • A dirty or slovenly person. 

  • A difficult problem. 

  • A police officer. 

  • A lecherous or sexist man. 

  • The mold in which a block of metal is cast. 

  • A device for cleaning or inspecting the inside of an oil or gas pipeline, or for separating different substances within the pipeline. Named for the pig-like squealing noise made by their progress. 

  • A very obese person. 

  • An earthenware hot-water jar to warm a bed; a stone bed warmer 

  • A block of cast metal. 

  • earthenware, or an earthenware shard 

swab

verb
  • To use a swab on something, or clean something with a swab. 

noun
  • A sailor; a swabby. 

  • A naval officer's epaulet. 

  • A small piece of soft, absorbent material, such as gauze, used to clean wounds, apply medicine, or take samples of body fluids. Often attached to a stick or wire to aid access. 

  • A mop, especially on a ship. 

  • A piece of material used for cleaning or sampling other items like musical instruments or guns. 

  • A sample taken with a swab (piece of absorbent material). 

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