downhill vs downstream

downhill

adv
  • Down a slope. 

  • Deteriorating, getting worse. 

noun
  • The fastest of the disciplines of alpine skiing. 

  • A rapid descent of a hill in related sports, especially in alpine skiing. 

verb
  • To take part in downhill skiing. 

adj
  • Easy. 

  • Located down a slope or hill. 

  • Going down a slope or a hill. 

downstream

adv
  • Following the path of a river or stream 

adj
  • Further along in the flow of current, in relation to a river, stream, bloodstream, or other flow of fluid. 

  • In the direction from the server to the client. 

  • Towards the 3′ end of a DNA molecule. 

  • Occurring later than something else; (also, usually, especially) influenced by something else; being a consequence of something else. 

verb
  • To stream downward. 

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