| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | pia mater | United States | The pia mater is an important protective membrane surrounding the brain and spinal cord in human anatomy. | 1 |
| 2 | piaster | United States | Piaster isn't commonly used as a currency denomination in the United States and United Kingdom. | 1 |
| 3 | piaster | United States | Piaster is not a commonly used term for currency in the United States and the United Kingdom. | 1 |