glen
DellIn Northumbrian a dene means a steep-sided valley..
Vale of Tempe
Clog
The meaning of the name Glenn is: From the Wooded Valley It is Scottish. Famous Glenn's - Glenn Close, Glenn Gould, and John Glenn.
Ria
Sindh.
Rill
hoopa valley
Sindh.
A deep valley could be called a canyon, such as the Grand Canyon.
Another name for mercury is quicksilver.