egret vs plumage

egret

noun
  • A plume or tuft of feathers worn as a part of a headdress, or anything imitating such an ornament. 

  • Any of various wading birds of the genera Egretta or Ardea that includes herons, many of which are white or buff, and several of which develop fine plumes during the breeding season. 

  • The flying feathery or hairy crown of seeds or achenes, such as the down of the thistle. 

plumage

noun
  • Layer or collection of feathers covering a bird’s body; feathers used ornamentally; feathering. 

  • Finery or elaborate dress. 

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