| Patrimonium | patrimony |
| Patrozinium | patronage |
| Harmonium | harmonium reed organ |
| Pandämonium | pandemonium |
| Patriotin | patriot |
| Patronym | patronym patronymic |
| Triforium | triforium |
| Triennium | triennium |
| Untriunium | untriunium |
| Kasimovium | Kasimovian |
| Ammonium | ammonium |
| Aeronium | Aeronian |
| Bartonium | Bartonian |
| Bathonium | Bathonian |
| Priabonium | Priabonian |
| Titonium | Tithonian |
| Patrizia | Patricia |
| Patronymikum | patronym |
| Patagonien | Patagonia |
| Patricia | Patricia |