| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | flu | South Korea | Wearing face masks during flu season is a common practice to prevent the spread of the flu virus. | 1 |
| 2 | flu | South Korea | In Japan and South Korea, wearing a face mask during flu season is a common practice to prevent the spread of the flu virus. | 1 |
| 3 | fluff | South Korea | Fluff can refer to excessively sentimental or cheesy content in media and entertainment. | 1 |
| 4 | influenza | South Korea | Wearing a face mask in public when sick with influenza is a common courtesy to protect others | 1 |