scree vs sediment

scree

verb
  • To flatten or level concrete while still wet, and remove protruding gravel and stones from the surface. 

  • To traverse scree downhill. 

  • To make a high-pitched cry like that of a hawk. 

noun
  • Similar debris made up of broken building material such as bricks, concrete, etc. 

  • Loose stony debris on a slope. 

  • A coarse sieve. 

  • A harsh, high-pitched sound or cry (as of a hawk). 

  • A slope made up of loose stony debris at the base of a cliff, mountain, etc. 

sediment

verb
  • To deposit material as a sediment. 

  • To be deposited as a sediment. 

noun
  • A collection of small particles, particularly dirt, that precipitates from a river or other body of water. 

How often have the words scree and sediment occurred in a corpus of books? (source: Google Ngram Viewer )