| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | promethazine | Eastern countries | Less commonly used and may not be widely known as a medication | 1 |
| 2 | promethium | Eastern countries | Not commonly known or discussed in everyday life due to its limited practical use | 1 |
| 3 | promethium | eastern culture | Not typically part of common knowledge or everyday conversation | 1 |