| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | ruffs (clothing) | United States | Associated with Renaissance fashion and high society in the past | 1 |
| 2 | ruhr | United States | The term 'Ruhr' may be less commonly known and associated with heavy industry, compared to Germany. | 1 |
| 3 | ruhr | United States | The term 'ruhr' is not commonly recognized or associated with a specific concept in the United States. | 1 |