| Subject | English | Japanese |
| gen. | n earthquake precursor | 地震前兆現象 |
| gen. | n uk fermented sushi pickled in brine rather than vinegar, precursor of modern sushi | 熟鮨 |
| gen. | n uk fermented sushi pickled in brine rather than vinegar, precursor of modern sushi | 馴鮨 |
| gen. | n uk fermented sushi pickled in brine rather than vinegar, precursor of modern sushi | 熟れ鮨 |
| gen. | n uk fermented sushi pickled in brine rather than vinegar, precursor of modern sushi | 熟寿司 |
| gen. | n uk fermented sushi pickled in brine rather than vinegar, precursor of modern sushi | 熟れ寿司 |
| gen. | n uk fermented sushi pickled in brine rather than vinegar, precursor of modern sushi | 馴れ寿司 |
| gen. | n uk fermented sushi pickled in brine rather than vinegar, precursor of modern sushi | なれ鮨 |
| gen. | precursor cell | 前駆細胞 |
| gen. | n precursor technology | 前提技術 |
| inf. | n precursor to the shamisen | 蛇皮線 |
| gen. | n precursor to the shamisen | 三線 |
| gen. | trihalomethane precursor | トリハロメタン前駆物質 |