acacia vs rosewood

acacia

noun
  • A shrub or tree of the tribe Acacieae. 

  • Gum arabic; gum acacia. 

  • The thickened or dried juice of several species in Acacieae, in particular Vachellia nilotica (syn. Acacia nilotica), the Egyptian acacia. 

  • A false acacia; robinia tree, Robinia pseudoacacia. 

  • Any of several related trees, such as the locust tree. 

  • A light to moderate greenish yellow with a hint of red. 

  • A roll or bag, filled with dust, borne by Byzantine emperors, as a memento of mortality. It is represented on medals. 

  • acacia 

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. 

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