As nouns the difference between landslide and scree
is that
landslide is a natural disaster that involves the breakup and downhill flow of rock, mud, water and anything caught in the path while
scree is (uncountable) loose stony debris on a slope or
scree can be a harsh high-pitched sound as of a hawk.
As a verb scree is
to flatten or level concrete, while still wet, and clear protruding stones and gravel from the surface or
scree can be to make a high-pitched sound like that of a hawk.