relaxed vs undisturbed

relaxed

adj
  • Free from tension or anxiety; at ease; leisurely. 

  • Without physical tension; in a state of equilibrium. 

  • Made more lenient; less strict; lax. 

  • Of a muscle: soft, not tensed. 

undisturbed

adj
  • not disturbed or agitated 

  • calm 

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