alternate vs exchange

alternate

noun
  • A proportion derived from another proportion by interchanging the means. 

  • A substitute; an alternative; one designated to take the place of another, if necessary, in performing some duty. 

  • A replacement of equal or greater value or function. 

  • That which alternates with something else; vicissitude. 

  • Figures or tinctures that succeed each other by turns. 

verb
  • To vary by turns. 

  • To perform by turns, or in succession; to cause to succeed by turns; to interchange regularly. 

  • To perform an alternation (removal of alternate vertices) on (a polytope or tessellation); to remove vertices (from a face or edge) as part of an alternation. 

  • To happen, succeed, or act by turns; to follow reciprocally in place or time; followed by with. 

adj
  • Other; alternative. 

  • Distributed singly at different heights of the stem, and at equal intervals as respects angular divergence 

  • Designating the members in a series, which regularly intervene between the members of another series, as the odd or even numbers of the numerals; every other; every second. 

  • Happening by turns; one following the other in succession of time or place; first one and then the other (repeatedly) 

exchange

noun
  • The difference between the values of money in different places. 

  • The transfer of substances or elements like gas, amino-acids, ions etc. sometimes through a surface like a membrane. 

  • The fourth through sixth digits of a ten-digit phone number (the first three before the introduction of area codes). 

  • The loss of a minor piece (typically a bishop or knight) and associated capture of the more advantageous rook. 

  • A telephone exchange. 

  • A conversation. 

  • An act of exchanging or trading. 

  • A place for conducting trading. 

  • The loss of one piece and associated capture of another. 

verb
  • To trade or barter. 

  • To replace with, as a substitute. 

  • To recommend and get recommendations. 

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