| m line | garis-m | garis-m | garis-m | Penternakan |
| M line | garis M | garis M | garis M | Perubatan |
| M cell | sel M | sel M | sel M | Perubatan |
| haemoglobin M | hemoglobin M | hemoglobin M | hemoglobin M | Veterinar |
| M"obius syndrome | sindrom M"obius | sindrom M"obius | sindrom M"obius | Perubatan |
| 100 m | 100 m | Tiada | 100 m | Sukan |
| 5,000 m | 5000 m | Tiada | 5000 m | Sukan |
| 400 m hundles | 400 m gawang | Tiada | 400 m lompat pagar | Sukan |
| 5.5 m class | 5.5. m class | Tiada | kelas 5.5 m | Sukan |
| class M flashbulb | bola lampu denyar kelas M | mentol denyar kelas M | mentol denyar kelas M | Komunikasi Massa |