hobbyist vs junker

hobbyist

noun
  • A person who is interested in an activity or a subject as a hobby. 

  • A client in a girlfriend experience. 

junker

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

  • A beat-up automobile. 

  • 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. 

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