procedural vs taxonomical

procedural

adj
  • Related to procedure. 

  • Generated by means of a procedure, rather than being designed. 

noun
  • A type of literature, film, or television program involving a sequence of technical detail. 

taxonomical

adj
  • Of or pertaining to taxonomy. 

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