bray vs flugelhorn

bray

noun
  • Any discordant, grating, or harsh sound. 

  • The cry of an animal, now chiefly that of animals related to the ass or donkey, or the camel. 

verb
  • To make or utter (a shout, sound, etc.) discordantly, loudly, or in a harsh and grating manner. 

  • Of an animal (now chiefly of animals related to the ass or donkey, and the camel): to make its cry. 

  • To make a harsh, discordant sound like a donkey's bray. 

  • To hit (someone or something). 

flugelhorn

noun
  • A brass instrument resembling a cornet but with a wider, conical bore, and usually with three valves, in the same B-flat pitch as many trumpets and cornets but with a more deeply conical mouthpiece than those. A bugle with valves. 

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