Neurypnology is a term that is not very commonly used in everyday language. However, there are several synonyms that can be used to refer to the study or practice of hypnosis. One such synonym is hypnotherapy, which refers to the use of hypnosis as a means of therapy or treatment for psychological or physical conditions. Another related term is hypnotism, which can refer to the art of inducing hypnosis in individuals for various purposes. Additionally, the term mesmerism can also be used to describe the practice of hypnosis, which is named after the famous physician Franz Mesmer who used hypnosis as a means of treatment. Overall, there are several synonyms that can be used to refer to the study and practice of hypnosis.