disassociate vs extricate

disassociate

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

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

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

extricate

verb
  • To free, disengage, loosen, or untangle. 

  • To free from intricacies or perplexity 

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