low-level vs nonabrasive

low-level

adj
  • not intense 

  • of, or relating to a program, or to code in which each statement corresponds to a single machine instruction 

  • detailed 

  • Situated or occurring at a lower level. 

  • relatively unimportant 

nonabrasive

adj
  • Not abrasive. 

noun
  • A substance that is not abrasive. 

How often have the words low-level and nonabrasive occurred in a corpus of books? (source: Google Ngram Viewer )