evulsion vs extrication

evulsion

extrication

noun
  • The act or process of extricating or disentangling; a freeing from perplexities; disentanglement. 

  • Rescue of a trapped person in vehicle or machinery 

  • The act of sending out or evolving. 

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