claggy vs clayey

claggy

adj
  • Adhesive, having coal clinging to it. 

  • Sticky or tacky. 

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. 

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