distressed vs unperturbed

distressed

adj
  • damaged 

  • offered for sale after foreclosure 

  • anxious or uneasy 

  • faded or abused in order to appear old, or antique 

unperturbed

adj
  • Not perturbed 

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