decrease vs low tide

decrease

noun
  • An amount by which a quantity is decreased. 

  • A reduction in the number of stitches, usually accomplished by suspending the stitch to be decreased from another existing stitch or by knitting it together with another stitch. See Decrease (knitting). 

verb
  • Of a quantity, to become smaller. 

  • To make (a quantity) smaller. 

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 decrease and low tide occurred in a corpus of books? (source: Google Ngram Viewer )