coordinate vs interrelate

coordinate

verb
  • To match (objects, especially clothes). 

  • To place in the same order or rank. 

  • To synchronize (activities). 

noun
  • Something that is equal to another thing. 

  • A number representing the position of a point along a line, arc, or similar one-dimensional figure. 

  • Coordinated clothes. 

adj
  • Of the same rank; equal. 

interrelate

verb
  • To form relationships between multiple things. 

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