include vs integrate

include

verb
  • To consider as part of something; to comprehend. 

  • To use a directive that allows the use of source code from another file. 

  • To bring into a group, class, set, or total as a (new) part or member. 

noun
  • A piece of source code or other content that is dynamically retrieved for inclusion in another item. 

integrate

verb
  • To include as a constituent part or functionality. 

  • To subject to the operation of integration; to find the integral of an equation. 

  • To desegregate, as a school or neighborhood. 

  • To indicate the whole of; to give the sum or total of; as, an integrating anemometer, one that indicates or registers the entire action of the wind in a given time. 

  • To form into one whole; to make entire; to complete; to renew; to restore; to perfect. 

  • To combine compatible elements in order to incorporate them. 

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