| Answer | Crossword Clue |
|---|---|
| DELTAIC | Pertaining to a river mouth. |
| DELTAIC | Pertaining to a river's mouth. |
| NILOTIC | Pertaining to a great river. |
| RIPARIAN | Pertaining to a river bank |
| ORAL | Pertaining to the mouth |
| SALIVARY | Pertaining to glands of the mouth. |
| UVULAR | Pertaining to part of the mouth. |
