immune vs vulnerable

immune

noun
  • A person who is not susceptible to infection by a particular disease 

verb
  • To make immune. 

adj
  • Exempt; not subject to. 

  • Not vulnerable. 

  • Of or pertaining to the immune system. 

  • Protected by inoculation, or due to innate resistance to pathogens. 

vulnerable

adj
  • Open to disclosing one's inner thoughts and feelings, acting in spite of one's instinct to self-preservation. 

  • More likely to be exposed to malicious programs or viruses. 

  • More or most likely to be exposed to the chance of being attacked or harmed, either physically or emotionally. 

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