| Thanetium | Thanetian |
| Thallium | thallium |
| Technetium | technetium |
| Chattium | Chattian |
| Tarantium | Tarantian |
| Thanatos | Thanatos |
| Athanasius | Athanasius |
| Phantom | phantom |
| hantig | bitters |
| Dianetik | dianetics |
| Planetarium | planetarium |
| Phonetik | phonetics phonology |
| Thetis | Thetis |
| Lutetium | lutetium |
| Aptium | Aptian |
| Katium | Katian |
| Pentium | Pentium |
| Präputium | foreskin |
| Latium | Latium Lazio |
| Strontium | strontium |