| period | periode | Tiada | tempoh/kalaan | Matematik |
| period | kala; periode | Tiada | kala; tempoh | Fizik |
| period | zaman | Tiada | zaman | Geologi |
| period | tempoh | Tiada | masa | Perubatan |
| period of decay | masa lapuk / reput | kala reputan | kala reputan | Pertanian |
| period stop | titik | lihat: full stop | lihat: full stop | Linguistik |
| period | titik | lihat: full stop | noktah; kesenyapan | Linguistik |
| period of communicability | masa menular | tempoh menular | tempoh menular | Perubatan |
| period of digestion | tempoh pencernaan | tempoh pencernaan | tempoh penyerapan | Ekonomi |
| period for payment | tempoh pembayaran | tempoh pembayaran | tempoh bayaran | Ekonomi |