pencil-thin vs scarious

pencil-thin

adj

  • Somewhat cylindrical and slender like a pencil; also, tall and thin. 

scarious

adj

  • thin, dry, membranous 

  • thin, dry, membranous, and not green 

  • scaly, scurfy 

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