circuit vs circus ring

circuit

noun
  • By analogy to the proceeding three, a set of theaters among which the same acts circulate; especially common in the heyday of vaudeville. 

  • The counties at the fringes of the empire, usually with a non-Chinese population, from the Han to the Western Jin. 

  • A thought that unconsciously goes round and round in a person's mind and controls that person. 

  • The act of moving or revolving around, or as in a circle or orbit; a revolution 

  • Major provincial divisions from the Yuan to early Republican China. 

  • The jurisdiction of certain judges within a state or country, whether itinerant or not. 

  • The space enclosed within a circle, or within limits. 

  • The basic grouping of local Methodist churches. 

  • A closed path, without repeated vertices allowed. 

  • A track on which a race in held; a racetrack 

  • The 10 or so major provinces of the empire from the Tang to the early Yuan. 

  • A chain of cinemas/movie theaters. 

  • Enclosed path of an electric current, usually designed for a certain function. 

  • A regular or appointed trip from place to place as part of one's job 

  • That which encircles anything, as a ring or crown. 

  • The circumference of, or distance around, any space; the measure of a line around an area. 

circus ring

noun
  • A circular arena in a circus, where the acts are performed. 

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