bifurcate vs put asunder

bifurcate

verb
  • To divide or fork into two channels or branches. 

  • To cause to bifurcate. 

adj
  • Divided or forked into two; bifurcated. 

  • Having bifurcations. 

put asunder

verb
  • To sunder; disjoin; separate. 

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