hautbois vs oboe

hautbois

noun
  • Any of the (now obsolete) predecessors of the oboe or cor anglais. 

  • Any of a family of organ stops that contain reeds. 

oboe

noun
  • A soprano and melody wind instrument in the modern orchestra and wind ensemble. It is a smaller instrument and generally made of grenadilla wood. It is a member of the double reed family. 

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