ebb tide vs low water

ebb tide

noun
  • The period between high tide and the next low tide in which the sea is receding. 

low water

noun
  • The location of low tide in a coastal area. 

  • The temporary situation of having little money. 

  • The lowest stage of a river. 

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