systematic vs undirected

systematic

adj
  • Methodical, regular and orderly. 

  • Of or relating to taxonomic classification. 

  • Of, relating to, or being a system. 

  • Of, relating to, or in accordance with generally recognized conventions for the naming of chemicals. 

  • Treating an object as a system or coherent whole. 

  • Carried out according to a planned, ordered procedure. 

adv
  • systematically 

undirected

adj
  • not directed 

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