hysteria vs schizophrenia

hysteria

noun
  • A mental disorder characterized by emotional excitability etc. without an organic cause. 

  • Behavior exhibiting excessive or uncontrollable emotions, in a wide range from joy to panic but usually including anxiety or fear. 

  • Synonym of conversion disorder 

schizophrenia

noun
  • A psychiatric diagnosis denoting a persistent, often chronic, mental illness characterised by abnormal perception, thinking, behavior and emotion, often marked by delusions. 

  • Any condition in which disparate or mutually exclusive activities coexist; a lack of decision between options. 

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