healthiness vs vulnerability

healthiness

noun
  • The product or result of being healthy. 

  • The state or quality of being healthy. 

vulnerability

noun
  • The state of being vulnerable; susceptibility to attack or injury, either physical or emotional; the state or condition of being weak or poorly defended. 

  • A weakness which allows an attacker to reduce a system's security. 

  • A specific weakness in the protections or defences surrounding someone or something. 

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