bugged vs unconcerned

bugged

adj
  • Containing a bug (interceptive listening device). 

  • Affected by a bug (computer error). 

unconcerned

adj
  • Not anxious, apprehensive, or worried. 

  • Having no involvement. 

  • Indifferent and having no interest; aloof. 

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