birdly vs feathered

birdly

adj
  • Of, pertaining to, or characteristic of birds; avian. 

feathered

adj
  • Having a specific type or number of feathers. 

  • Swift, like the flight of a feathered creature. 

  • Covered with feathers. 

  • Having the blades of oars or propellers parallel to the direction of motion. 

  • Having a finely bevelled edge. 

  • Badly beaten. 

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