The crossword solution for the term FREUD WORD is EGO, which is a three letter word. Sigmund Freud was an Austrian neurologist and the founder of psychoanalysis, a clinical method for treating psychopathology through dialogue between a patient and a psychoanalyst. Freud believed that the EGO, or conscious mind, mediates between the desires of the id, or unconscious mind, and the demands of the external world. The EGO is responsible for reality testing, problem solving, and defense mechanisms.