dinghy vs paddleboat

dinghy

noun

  • A sailing dinghy. 

  • An inflatable rubber life raft. 

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

verb

  • To travel by dinghy. 

paddleboat

noun

  • A boat propelled by a paddle wheel 

  • a pedalo 

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