rosewood vs willow

rosewood

noun
  • The fragrant wood of Dalbergia nigra, a Brazilian tree in the legume family, which has a sweet smell. 

  • Any of several dozen woods, resembling that of Dalbergia nigra in some respect. 

  • Wood and plant of Pterocarpus spp., for example African rosewood or mukula or Burmese rosewood (Pterocarpus indicus, syn. Pterocarpus santalinus). 

  • The wood of a South American tree, Aniba rosaeodora, in the laurel family, with fragrant wood from which an essential oil is distilled. 

willow

noun
  • The wood of these trees. 

  • Any of various deciduous trees or shrubs in the genus Salix, in the willow family Salicaceae, found primarily on moist soils in cooler zones in the northern hemisphere. 

  • The baseball bat. 

  • A cricket bat. 

  • A rotating spiked drum used to open and clean cotton heads. 

verb
  • To form a shape or move in a way similar to the long, slender branches of a willow. 

  • To open and cleanse (cotton, flax, wool, etc.) by means of a willow. 

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