monogamous vs stainless

monogamous

adj
  • Monogamic; having a simple flower with united anthers. 

  • Being married to one person at a time. 

  • Having only one sexual partner at a time. 

stainless

adj
  • Describing an alloy that is resistant to corrosion and discoloration. 

  • Unmarked, spotless. 

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