ЯПОНСКИЙ / КУРС
| 1879 | く | 苦 | ku | suffer, hardship | 1976 921 |
| 苦になる | ku-nı-naru | to suffer | |||
| 苦境 | kukyoo | predicament | |||
| 1911 | くじょう | 苦情 | kujoo | complaint, objection | |
| 1912 | くしん | 苦心 | kushin | trouble, pain, anxiety | |
| 1939 | くつう | 苦痛 | kutsuu | pain, agony | |
| 1992 | くるしい | 苦しい | kurushii | painful | |
| 1993 | くるしむ | 苦しむ | kurushimu | to suffer | |
| 1994 | くるしめる | 苦しめる | kurushimeru | to torment | |
| 2005 | くろう | 苦労 | kuroo | troubles, misfortune | |
| くつう | 苦痛 | kutsuu | pain, agony |