asbestine vs flame-retardant

asbestine

noun
  • A type of fibrous talc used primarily as a filler or extender. 

adj
  • Resembling or relating to asbestos. 

flame-retardant

adj
  • Hard to ignite; not supporting or conveying flame. 

noun
  • A substance used to make an object flameproof. 

How often have the words asbestine and flame-retardant occurred in a corpus of books? (source: Google Ngram Viewer )