helper vs paramedic

helper

noun
  • That which helps; anything serving to assist. 

  • One who helps; an aide; assistant; auxiliary. 

  • A locomotive that assists a train, usually on steep gradients. 

  • A person who does cleaning and cooking in a family home, or in a market; domestic employee. 

paramedic

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

  • 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. 

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