1. seismology   Vogelkunde   wirtschaftlich   Archäologie   Seismologie   Hint Half-n-half Clue   2. etiology, aetiology   Topologie   Choreographie   Ätiologie   Entomologie   Half-n-half Clue   3. sociology   Telepathie   Soziologie   Choreographie   Theologie   Half-n-half Clue   4. calligraphy   Rheologie   Kalligraphie   Anthropologie   Telepathie   Half-n-half Clue   5. telegraphy   Kosmetik   Entomologie   Topologie   Telegraphie   Half-n-half Clue   6. topology   Seismologie   Topologie   Buchhaltung   Soziologie   Half-n-half Clue   7. choreography   Topologie   Choreographie   Vogelkunde   Soziologie   Half-n-half Clue