| にほんご | jpn-002 |
| こうなん | |
| English | eng-000 | acerbity |
| English | eng-000 | hardness |
| English | eng-000 | inflexibility |
| English | eng-000 | reprisal |
| English | eng-000 | retaliation |
| English | eng-000 | revenge |
| English | eng-000 | rigidity |
| English | eng-000 | stiffness |
| 日本語 | jpn-000 | 後難 |
| 日本語 | jpn-000 | 硬軟 |
| нихонго | jpn-153 | ко:нан |
| русский | rus-000 | твёрдость |