| Martinshorn | siren |
| Martinsgans | St. Martin’s goose |
| Martinstag | Martinmas |
| Ammonshorn | hippocampus |
| Matterhorn | Matterhorn |
| Trinkhorn | drinking horn |
| Baritonhorn | baritone |
| Markhirn | afterbrain |
| Martensit | martensite |
| marmorn | marbled |
| Marathon | marathon |
| Marion | Marion |
| Martin | Martin |
| Martina | Martina |
| Martini | martini |
| Martinique | Martinique |
| Martinskirche | St. Martin's Church |
| Marxistin | Marxist |
| marinieren | marinate marinade |
| Artinskium | Artinskian |