| Trotzkismus | trotskyism Trotskyism |
| Trotzkist | Trotskyite Trotskyist |
| Trotzkistin | Trotskyite |
| Totemismus | totemism |
| Tritheismus | tritheism |
| Brutalismus | Brutalism |
| Erethismus | erethism |
| Royalismus | royalism |
| Tantrismus | tantrism |
| Teutonismus | Teutonicism |
| Titoismus | Titoism |
| Toryismus | Toryism |
| Botulismus | botulism |
| Egotismus | egotism |
| Ergotismus | ergotism |
| Exorzismus | exorcism |
| Exotismus | exoticism exotism |
| Gräzismus | Graecism Grecism |
| Kretinismus | cretinism |
| Stoizismus | stoicism |