discreet vs slimline

discreet

adj
  • Not drawing attention, anger or challenge; inconspicuous. 

  • Respectful of privacy or secrecy; exercising caution in order to avoid causing embarrassment; quiet; diplomatic. 

slimline

adj
  • Stripped of unnecessary features. 

  • Gracefully slim or slender. 

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