| Petrograd | Petrograd |
| retrograd | retrograde |
| prograd | prograde |
| petrol | teal |
| petrolblau | teal |
| Petra | Peta Petra Petrina |
| Petroleum | kerosene paraffin |
| Tetragramm | Tetragrammaton |
| Grogram | grogram |
| Programm | program programme cycle schedule channel |
| Geograf | geographer |
| Paläograf | paleographer |
| Pornograf | pornographer |
| Autograf | autograph |
| Fotograf | photographer |
| Mythograf | mythographer |
| Wolgograd | Volgograd |
| Altgrad | degree |
| Neugrad | degree |
| Pellagra | pellagra |