plush vs unstinging

plush

adj
  • Having a soft, fluffy exterior. 

  • Very extravagant. 

  • Very expensive, or appearing expensive; opulent, luxurious. 

noun
  • A textile fabric with a nap or shag on one side, longer and softer than the nap of velvet. 

  • A plush toy. 

unstinging

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