cruise vs keep watch

cruise

verb
  • To move about an area leisurely in the hope of discovering something, or looking for custom. 

  • To travel at constant speed for maximum operating efficiency. 

  • To actively seek a romantic partner or casual sexual partner by moving about a particular area; to troll. 

  • To sail about, especially for pleasure. 

  • To take part in a cruise (car enthusiasts' event where they drive their vehicles in a group). 

  • To walk while holding on to an object (stage in development of ambulation, typically occurring at 10 months). 

  • To win easily and convincingly. 

  • To inspect (forest land) for the purpose of estimating the quantity of lumber it will yield. 

noun
  • Portion of aircraft travel at a constant airspeed and altitude between ascent and descent phases. 

  • A sea or lake voyage, especially one taken for pleasure. 

  • A car enthusiasts' event where they drive their vehicles in a group. See Cruising (driving). 

  • A small cup; cruse. 

  • A period spent in the Marine Corps. 

keep watch

verb
  • To guard; to watch over someone or something. 

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