| yān | obscured/submerged |
| yīn | obscured/submerged |
| 湮 | to inundate to bury to cover up |
| 湮没 | to bury to submerge to pass into oblivion |
| 湮没光子 | [Physics] annihilation photon |
| 湮没无闻 | to pass into oblivion |
| 湮灭 | to destroy to disappear annihilation |
| 湮灭辐射 | annihilation radiation |
| 湮色 | diffusion or running of coloring matter; bleeding |
| 湮远 | very long |
| 湮阨 | clogged; blocked |