low water vs trickle

low water

noun
  • The lowest stage of a river. 

  • The temporary situation of having little money. 

  • The location of low tide in a coastal area. 

trickle

noun
  • A very thin river. 

  • A very thin flow; the act of trickling. 

verb
  • to flow in a very thin stream or drop continuously. 

  • To move or roll slowly. 

  • to pour a liquid in a very thin stream, or so that drops fall continuously. 

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