| Aquarium | aquarium tank |
| Aquarist | aquarist |
| Apiarium | apiary beeyard |
| Aviarium | aviary |
| Äquativ | equative |
| Aqualith | aqualite |
| Aquarell | watercolour watercolor |
| Aquavit | aquavit |
| Quantum | quantum |
| Aktuarius | actuary |
| Ossuarium | ossuary |
| Abcdarium | ABC |
| Ossarium | ossuary |
| Ovarium | ovary |
| Sakmarium | Sakmarian |
| Vivarium | vivarium |
| -arium | -arium |
| Barium | barium |
| Rosarium | rosary |
| Samarium | samarium |