hydrophobia vs schizophrenia

hydrophobia

noun
  • An aversion to water, as a symptom of rabies; the disease of rabies itself. 

  • A morbid fear of water; aquaphobia. 

schizophrenia

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

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

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