neurosis vs stability

neurosis

noun
  • A mental disorder, less severe than psychosis, marked by anxiety or fear which differ from normal measures by their intensity, which disorder results from a failure to compromise or properly adjust during the developmental stages of life, between normal human instinctual impulses and the demands of human society. 

stability

noun
  • The condition of being stable or in equilibrium, and thus resistant to change. 

  • The tendency to recover from perturbations. 

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