woodwind vs woodwind instrument

woodwind

noun
  • Any (typically wooden) musical instrument that produces sound by the player blowing into it, through a reed, or across an opening. Woodwind instruments include the recorder, flute, piccolo, clarinet, oboe, cor anglais and bassoon. 

woodwind instrument

noun
  • A musical instrument in which sound is produced by blowing against an edge or by vibrating a thin piece of wood or metal known as the reed, and in which the pitch is governed by the resonant frequencies of an enclosed air column. 

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