scarious vs squamate

scarious

adj

  • thin, dry, membranous 

  • thin, dry, membranous, and not green 

  • scaly, scurfy 

squamate

adj

  • Covered in scales. 

noun

  • Any reptile of the order Squamata. 

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