| Musiktheorie | music theory |
| Musiktherapie | music therapy |
| Musikerin | musician |
| Musiktheater | music theatre |
| M-Theorie | M-theory |
| Musikdose | music box |
| Musiktruhe | radiogram |
| Musikalie | sheet music |
| Musiker | musician |
| Musiklehrer | music teacher |
| Musiklehrerin | music teacher |
| Musikpreis | music award |
| Musiktherapeut | music therapist |
| Eichtheorie | gauge theory |
| Mengentheorie | set theory |
| Zelltheorie | cell theory |
| Chaostheorie | chaos theory |
| Spieltheorie | game theory |
| Stringtheorie | string theory |
| Systemtheorie | system theory |