bifurcate vs dichotonic

bifurcate

adj
  • Divided or forked into two; bifurcated. 

  • Having bifurcations. 

verb
  • To cause to bifurcate. 

  • To divide or fork into two channels or branches. 

dichotonic

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