downstream vs subsequent

downstream

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

  • 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. 

verb
  • To stream downward. 

adv
  • Following the path of a river or stream 

subsequent

adj
  • Following in time; coming or being after something else at any time, indefinitely. 

  • Following in order of place; succeeding. 

  • Following a line in the earth that is more easily eroded. 

noun
  • A subsequent stream or faultline. 

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