| Subject | English | Japanese |
| math. | probability density | 確率密度関数 (かくりつ・みつど・かんすう) |
| comp. | n probability density | 確率密度 (kakuritsu-mitsudo) |
| gen. | probability density distribution | 確率密度分布 |
| math. | probability density function | 確率密度 (kakuritsu-mitsudo) |
| math. | n probability density function | 確率密度関数 (かくりつ・みつど・かんすう) |