| Klaviziterium | clavicytherium |
| Klavizitherium | clavicytherium |
| Klavicitherium | clavicytherium |
| Claviciterium | clavicytherium |
| Clavicytherium | clavicytherium |
| Kriterium | criterion |
| Klartraum | lucid dream |
| Klaviatur | musical keyboard keyboard |
| Klavier | piano |
| Aviarium | aviary |
| Galizierin | Galician |
| Elamiterin | Elamite |
| Kassiterit | cassiterite |
| Bakterium | bacterium |
| Baptisterium | baptistry |
| Ministerium | ministry department |
| Klinikerin | clinician |
| Abditorium | abditory |
| Auditorium | auditory auditorium |
| Laboratorium | laboratory |