bassinet vs nacelle

bassinet

noun
  • A newborn baby's bed, traditionally made of woven reeds or straw. 

  • A bascinet (type of helmet). 

nacelle

noun
  • A separate streamlined enclosure mounted on an aircraft to house an engine, cargo, or crew. 

  • The compartment that holds passengers on a hot-air balloon, a dirigible, or an aerostat; a gondola. 

  • The submersed providers of buoyancy of a SWATH hulled boat. 

  • The part between the tower and rotor of a wind turbine. 

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