icecap

As a noun icecap

is a permanent expanse of ice encompassing a large geographical area, eg in earth's polar zones.

As a proper noun alpine is

a cdp in california.

As an adjective alpine is

relating to the alps, a mountain range in western europe.

As nouns the difference between icecap and icefall

is that icecap is a permanent expanse of ice encompassing a large geographical area, e.g. in Earth's polar zones while icefall is a relatively rapid and turbulent flow of ice, somewhat analogous to a waterfall.

As nouns the difference between glacier and icecap

is that glacier is (geology) a large body of ice which flows under its own mass, usually downhill while icecap is a permanent expanse of ice encompassing a large geographical area, eg in earth's polar zones.

As nouns the difference between icecap and snowcap

is that icecap is a permanent expanse of ice encompassing a large geographical area, e.g. in Earth's polar zones while snowcap is a layer of snow covering a mountain top.

As nouns the difference between taxonomy and icecap

is that taxonomy is the science or the technique used to make a classification while icecap is a permanent expanse of ice encompassing a large geographical area, e.g. in Earth's polar zones.