paramedic vs preserver

paramedic

noun
  • An individual trained to medically stabilize people through various interventions, victims of trauma or medical events outside of a hospital setting and preparing them for transport to a medical facility. 

  • An individual who is licensed at the state or national level to practice medical interventions in an emergency pre-hospital setting. 

preserver

noun
  • A life preserver. 

  • A person who prepares preserves of fruit or preserved meats. 

  • A person who refinishes furniture. 

  • One who preserves. 

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