| Word | Reading | Meaning |
| 制 | せい | system, organization, organisation, imperial command, laws, regulation, control, government, suppression, restraint, holding back, establishment |
| 規制 | きせい | regulation, (traffic) policing, control, restriction |
| 制度 | せいど | system, institution, organization, organisation |
| 体制 | たいせい | order, system, structure, set-up, organization, organisation |
| 制裁 | せいさい | restraint, sanctions, punishment |
| 税制 | ぜいせい | tax system |
| 強制 | きょうせい | obligation, coercion, compulsion, enforcement |
| 制限 | せいげん | restriction, restraint, limitation, limit |
| 制作 | せいさく | work (film, book) |
| 制定 | せいてい | enactment, establishment, creation |