| Telychium | Telychian |
| Elysium | Elysium |
| Ischium | ischium |
| Melchior | Melchior |
| Lithium | lithium |
| Gelasium | Gelasian |
| Silicium | silicon |
| Toarcium | Toarcian |
| Beryllium | beryllium |
| Calcium | calcium |
| Delirium | delirium insanity |
| Helium | helium |
| Terbium | terbium |
| Terrarium | terrarium |
| Telephon | telephone |
| Tellurid | telluride |
| Entelechie | entelechy |
| Tel Aviv | Tel Aviv |
| Telebrief | mailgram |
| Telegramm | telegram dispatch telegramme |