brackish vs stagnant

brackish

adj
  • Repulsive 

  • Distasteful; unpleasant; not appealing to the taste. 

  • Salty or slightly salty, as a mixture of fresh and sea water, such as that found in estuaries. 

stagnant

adj
  • Lacking freshness, motion, or flow; decaying through stillness. 

  • Without progress or change; stale; inactive. 

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