carpenter vs potato bug

carpenter

noun
  • A woodlouse. 

  • A carpenter bee. 

  • A two-wheeled carriage. 

  • A senior rating in ships responsible for all the woodwork onboard; in the days of sail, a warrant officer responsible for the hull, masts, spars and boats of a ship, and whose responsibility was to sound the well to see if the ship was making water. 

  • A person skilled at carpentry, the trade of cutting and joining timber in order to construct buildings or other structures. 

verb
  • To work as a carpenter, cutting and joining timber. 

potato bug

noun
  • The woodlouse, various terrestrial crustaceans of suborder Oniscidea. 

  • Any of various insects that feed on or harm potato plants. 

  • The Colorado beetle or Colorado potato bug (Leptinotarsa decemlineata). 

  • The Jerusalem cricket, various insects of the genus Stenopelmatus. 

  • The striped blister beetle or old-fashioned potato bug (Epicauta vittata). 

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