| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | knuckle | US | Knuckles are used for knocking on doors or tapping on a table to get someone's attention. | 1 |
| 2 | knuckle | United States | Knuckles are sometimes used for knocking on doors as a sign of politeness. | 1 |
| 3 | knuckle | United States | Knuckle cracking is a common habit and considered harmless by many people. | 1 |
| 4 | knuckle | United States | Knuckles are used for rapping on doors or for cracking fingers. | 1 |
| 5 | shackle | US | Shackles are typically associated with historical use in prisons and as a form of punishment. | 1 |
| 6 | shackle | United States | Used in law enforcement to restrain and immobilize individuals. | 1 |