junker vs rear-ender

junker

noun
  • A beat-up automobile. 

  • A person with an interest in disused or discarded objects. 

  • Synonym of junkie (“drug addict”) 

  • A young German noble or squire, especially a member of the aristocratic party in Prussia, stereotyped with narrow-minded militaristic and authoritarian attitudes. 

rear-ender

noun
  • A minor automobile accident in which contact is made between the front of one vehicle and the rear of another. 

How often have the words junker and rear-ender occurred in a corpus of books? (source: Google Ngram Viewer )