littoral vs sandbank

littoral

noun
  • A shore. 

  • The zone of a coast between high tide and low tide levels. 

adj
  • Of or relating to the shore, especially the seashore. 

sandbank

noun
  • A ridge of sand along a shore that is partially or totally submerged and thus a hazard to shipping. 

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