Schizophrenia Mental illness 53 Diagnosis 45 Schizophrenics 29 Diagnostic and statistical manual of mental disorders 25 International statistical classification of diseases and related health problems 25 Classification 24 Delusions 24 Psychoses 16 Paranoia 9 Catatonia 8 Psychiatry 8 Mental health 7 Psychology 7 Study and teaching 7 Archetype 6 Esquizofrenia 6 Feeling 6 Neurosis 6 Psychopathology 6 Symptom 6 Writing 6 Analogy 5 Consciousness 5 Dissociation (psychology) 5 Explanation 5 Mental disorder 5 Parapsychology 5 Phenomenon 5 Psychology of the Unconscious 5