clayey vs soily

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. 

soily

adj
  • Dirty; soiled. 

  • Resembling or characteristic of soil. 

  • Covered in soil; earthy. 

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