depressed vs low-level

depressed

adj
  • Reduced to a lower degree or form. 

  • Unhappy; despondent. 

  • Suffering damaging effects of economic recession. 

  • Suffering from clinical depression. 

low-level

adj
  • Situated or occurring at a lower level. 

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

  • detailed 

  • relatively unimportant 

  • not intense 

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