dwindling vs low tide

dwindling

noun

  • A gradual reduction to nothing. 

adj

  • declining; growing less 

low tide

noun

  • The time of day when the sea has receded to its lowest level. 

  • The tide at its lowest level for a particular tidal cycle at a certain place. 

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