integrate vs mingle

integrate

verb
  • To combine compatible elements in order to incorporate them. 

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

  • To desegregate, as a school or neighborhood. 

  • To include as a constituent part or functionality. 

  • 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. 

mingle

verb
  • To intermix; to combine or join, as an individual or part, with other parts, but commonly so as to be distinguishable in the product 

  • To associate or unite in a figurative way, or by ties of relationship 

  • to cause or allow to intermarry 

  • To become mixed or blended. 

  • to intermarry. 

  • To socialize with different people at a social event. 

  • To deprive of purity by mixture; to contaminate. 

  • To make or prepare by mixing the ingredients of. 

noun
  • The act of informally meeting numerous people in a group 

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