low water vs refluence

low water

noun
  • The temporary situation of having little money. 

  • The lowest stage of a river. 

  • The location of low tide in a coastal area. 

refluence

noun
  • The quality of being refluent; a flowing back. 

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