dinghy vs wherry

dinghy

noun
  • A small open boat, propelled by oars or paddles, carried as a tender, lifeboat, or pleasure craft on a ship. 

  • An inflatable rubber life raft. 

  • A sailing dinghy. 

verb
  • To travel by dinghy. 

wherry

noun
  • A flat-bottomed vessel once employed by British merchants, notably in East Anglia, sometimes converted into pleasure boats. 

  • A light ship used to navigate inland waterways. 

  • A liquor made from the pulp of crab apples after the verjuice is extracted. 

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