I don not know but it starts with a c
A plateau.
No, it is an adjective."Steep" is usually an adjective, or word used to describe a noun. For example, if you say, "That was a steep cliff," then "steep" describes the "cliff." A noun is a word used to describe a person, place, or thing. However, there are cases when you can use the word steep as a noun, in which case it means a steep slope.
The shape of the hill suggested that the north face was very steep.
steeper
No. It's a verb.
A steep-sided tower of rock is a butte
A high, steep wall of rock is a cliff. Cliffs are common on coasts, in mountainous areas, escarpments and along rivers. Cliffs are formed due to erosion.
steep
No. That is a rock fall.
Cliff
Stack
A Cliff.
a steep, high, wall of rock, earth, or ice.
A cliff
wall
The rock fragments that accumulate at the base if a steep slope are usually known as scree or talus.
A steep rock face, usually facing the sea