Arroyo is a landform term. It refers to a gulch or ravine through which a fast stream of water could flow. It usually is dry except after heavy rain.
a key is a landform that starts with a k and a knoll is a landform that starts with K and means a hill.
Yardang is a landform. It begins with the letter y.
delta
Basin
Erg is a landform. It is a flat sandy area of the desert with no vegetation.
Yardang
Lagoon, Lake
funnel cloud
Bight of Benin & Bight of Biafra
U-shaped valley
Palo Duro Canyon is a landform located in the Texas Panhandle near Amarillo, Texas. It begins with the letter P.
hill headland hogback hoodoo hanging valley