ebony vs sooty

ebony

adj
  • A deep, dark black colour. 

  • Made of ebony wood. 

  • Dark-skinned; black; especially in reference to African-Americans. 

noun
  • A black key on a piano or other keyboard instrument. 

  • A tree that yields such wood. 

  • A deep, dark black colour. 

  • A hard, dense, deep black wood from various subtropical and tropical trees, especially of the genus Diospyros. 

sooty

adj
  • Of the color of soot. 

  • Of, relating to, or producing soot. 

  • Soiled with soot 

verb
  • To blacken or make dirty with soot. 

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