creek vs rivulet

creek

noun
  • A stream of water (often freshwater) smaller than a river and larger than a brook; in Australia, also used of river-sized bodies of water. 

  • Any turn or winding. 

  • A small inlet or bay, often saltwater, narrower and extending farther into the land than a cove; a recess in the shore of the sea, or of a river; the inner part of a port that is used as a dock for small boats. 

rivulet

noun
  • A small brook or stream; a streamlet; a gill. 

  • Perizoma affinitatum, a geometrid moth. 

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