1
Canyon
/ˈkænjən/
2
Plateau
/pləˈtoʊ/
3
Valley
/ˈvæli/
4
Glacier
/ˈɡleɪʃər/
5
Mountain peak
/ˈmaʊntən pik/
6
Mountain range
/ˈmaʊntən ˌreɪndʒ/
7
Lake
/leɪk/
8
River
/ˈrɪvər/
9
Plain
/pleɪn/
10
Tributary
/ˈtrɪbjʊtɛri/
11
Hill
/hɪl/
12
Cliff
/klɪf/
13
Sea front
/ˈsiːfrʌnt/
14
Ocean
/ˈoʊʃən/
15
Estuary
/ˈɛstʃuˌɛri/
