lumbering vs timbered

lumbering

adj
  • Heavy, slow and laborious; ponderous. 

  • Clumsy or awkward. 

noun
  • The business of felling trees for lumber. 

  • The act of one who lumbers; heavy, clumsy movement. 

timbered

adj
  • Wooded; bearing timber; forested. 

  • Made from timber, especially large or coarsely finished timber. 

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