carousel vs interchange

carousel

verb
  • To revolve or change places. 

noun
  • A tilting match or tournament accompanied by games, shows, and allegorical performances. 

  • An equestrian discipline in which groups of riders make various formations. 

  • A continuously revolving device for item delivery. 

  • A merry-go-round (type of ride on rotating platform). 

  • The rotating glass plate in a microwave oven. 

  • A visual component that displays a horizontal series of items one at a time. 

interchange

verb
  • to swap or change places 

  • to alternate; to intermingle or vary 

  • to mutually give and receive (something); to exchange 

  • To act as or carry out an interchange (noun, senses 2, 3). 

  • to switch (each of two things) 

noun
  • A connection between two or more lines, services or modes of transport; a station at which such a connection can be made. 

  • An act of interchanging. 

  • A highway junction in which traffic may change from one road to another without crossing a stream of traffic. 

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