concur vs disassociate

concur

verb
  • To converge. 

  • To meet in the same point; to combine or conjoin; to contribute or help towards a common object or effect. 

  • To agree (in action or opinion); to have a common opinion; to coincide; to correspond. 

disassociate

verb
  • To separate into smaller discrete units, as with analysis. 

  • To separate; to disunite; to disintegrate; to dissolve. 

  • To separate (oneself); to dissolve one's association with a person, group, or situation. 

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