mingle vs sever

mingle

verb
  • to cause or allow to intermarry 

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

  • 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. 

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

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

sever

verb
  • To suffer disjunction; to be parted or separated. 

  • To disconnect; to disunite; to terminate. 

  • To make a separation or distinction; to distinguish. 

  • To cut free. 

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