decussate vs mongrelize

decussate

verb
  • To form an X or to cross or intersect. 

adj
  • Having opposite leaves arranged alternately at right angles. 

  • Consisting of two rising and two falling clauses, placed in alternate opposition to each other. 

  • Crossed; intersected; resembling a letter X. 

  • Having anatomical structures or markings crossing each other, typically in an X shape or at right angles. 

mongrelize

verb
  • To cross-breed 

  • To breed a mongrel 

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