systematic vs well-grounded

systematic

adj
  • Of, relating to, or being a system. 

  • Methodical, regular and orderly. 

  • Of or relating to taxonomic classification. 

  • 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 

well-grounded

adj
  • Of a person: having extensive knowledge of a subject. 

  • Of an argument, etc.: based on good judgment and solid reasoning. 

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