| Tutorium | recitation |
| Tutorial | tutorial |
| Thorium | thorium |
| Titonium | Tithonian |
| Tutor | monitor |
| Autorin | author writer |
| Plutonium | plutonium |
| Oratorium | oratory |
| Tortonium | Tortonian |
| Auditorium | auditory auditorium |
| Kuratorium | curatorship |
| Triforium | triforium |
| Emporium | emporium |
| Ziborium | ciborium |
| Atrium | atrium |
| Curium | curium |
| Deuterium | deuterium |
| Natrium | sodium |
| Yttrium | yttrium |
| Europium | europium |