clayey vs viscid

clayey

adj
  • Covered or dirtied with clay. 

  • Resembling clay; claylike, clayish. 

  • Of the human body, as contrasted with the soul; bodily, human, mortal. 

  • Composed of clay or containing (much) clay; clayish. 

viscid

adj
  • Covered with a viscid layer. 

  • Sticky, slimy, or glutinous. 

  • Viscous; having a high viscosity. 

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