1. Psychologie   psychology   dentistry   urology   physiology   Hint Half-n-half Clue   2. Neurologie   physiology   radiology   dentistry   neurology   Half-n-half Clue   3. Onkologie   psychology   oncology   physiology   urology   Half-n-half Clue   4. Kieferorthopädie   nephrology   orthodontics   pediatrics, paediatrics   psychology   Half-n-half Clue   5. Operation   surgery   obstetrics   endocrinology   nephrology   Half-n-half Clue   6. Kinderheilkunde   dentistry   pediatrics, paediatrics   physiotherapy   psychology   Half-n-half Clue   7. Rheumatologie   psychology   urology   rheumatology   pediatrics, paediatrics   Half-n-half Clue