paddlewheel vs swape

paddlewheel

noun
  • A large wheel fitted with thick slats, turned by an engine and used to propel a boat. 

  • A boat propelled by a paddlewheel. 

swape

noun
  • A steering oar use by Tyne keelmen. 

  • A bar or pole used as a lever, swivel handle e.g. on the end of a shaft. 

  • A kind of mechanical scoop for water. 

  • A sconce for holding a light. 

verb
  • To sweep. 

  • To place aslant. 

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