| Subject | English | Japanese |
| phys. | line of regression | 反帰線 (はんきせん) |
| math. | regression line | 回帰線 news2 nf47 (かいきせん) |
| phys. | regression line | 回帰線 (かいきせん) |
| comp., MS | regression line | 回帰直線 (A straight line that represents the relationship between matched pairs of data from two collections of data. The equation of the line is derived using the least-squares method of linear regression) |
| tech. | regression line | 回烯直線 (かいきちょくせん) |