irresilient vs sagging

irresilient

adj
  • Not resilient; not recoiling or rebounding; inelastic. 

sagging

adj
  • Hanging down loosely. 

  • Worn low on the waist, or wearing pants or shorts low on the waist. 

noun
  • A manner of wearing pants or shorts below the waist, revealing some or all of the underwear. 

  • The act of something that sags. 

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