| héng | permanent/constant |
| 恒 | surname Heng |
| 恒久 | constant persistent long-lasting |
| 恒久经费 | a consolidated fund |
| 恒产 | real estate; immovable property; immovables |
| 恒力 | constant force |
| 恒加速度 | constant acceleration |
| 恒动 | perpetual motion |
| 恒压 | constant voltage |
| 恒压变压器 | CVT (constant-voltage transformer) |
| 恒压器 | pressostat; manostat; barostat |
| 恒压电池 | a constant cell |
| 恒定 | constant |
| 恒定振幅 | uniform amplitude |
| 恒定流量 | constant-rate of flow |
| 恒山 | Mt Heng in Shanxi, northern of the Five Sacred Mountains 五嶽|五岳 Hengshan district of Jixi city 雞西|鸡西 |
| 恒山区 | Hengshan district of Jixi city 雞西|鸡西 |
| 恒常 | constant constantly |
| 恒心 | perseverance |
| 恒性 | perseverance; persistence |
| 恒星 | (fixed) star |