| Subject | English | Japanese |
| gen. | degree per second | 度/秒 |
| law | n principal offender in the second degree | 間接正犯 |
| gen. | n relation in the second degree | 二親等 |
| math. | second degree | 商 news1 nf09 (of the Japanese & Chinese pentatonic scale, shō) |
| gen. | n second degree burn | 第二度熱傷 |
| gen. | n second-degree relative | ２等親 |
| gen. | n second-degree relative | 二等親 |
| phys. | simultaneous equations of second degree with two unknowns | 二元二次連立方程式 (にげん・にぢ・れんりつ・ほうていしき) |