| Tritheismus | tritheism |
| Tribalismus | tribalism |
| Triolismus | 3P |
| Antitheismus | antitheism |
| Omnitheismus | omnitheism |
| Apatheismus | apatheism |
| Atheismus | atheism |
| Pantheismus | pantheism |
| Theismus | theism |
| Erethismus | erethism |
| Titoismus | Titoism |
| Trotzkismus | trotskyism Trotskyism |
| Tantrismus | tantrism |
| Trinitarismus | trinitarianism |
| Mithraismus | Mithraic mysteries Mithraism |
| Heliotheismus | heliotheism |
| Henotheismus | henotheism |
| Monotheismus | monotheism |
| Polytheismus | polytheism |
| Fideismus | fideism |