cornet vs trombone

cornet

noun
  • A musical instrument of the brass family, slightly smaller than a trumpet, usually in the musical key of B-flat. 

  • A kind of organ stop. 

  • The white headdress worn by the Sisters of Charity. 

  • A pastry shell to be filled with ice-cream, hence (UK, dated) an ice cream cone. 

  • The fifth commissioned officer in a cavalry troop, who carried the colours (equivalent to the ensign in infantry). 

  • A piece of paper twisted to be used as a container. 

trombone

noun
  • A musical instrument in the brass family, having a cylindrical bore, and usually a sliding tube (but sometimes piston valves, and rarely both). Most often refers to the tenor trombone, which is the most common type of trombone and has a fundamental tone of B♭ˌ (contra B♭). 

  • The common European bittern. 

  • A kind of extendable support for attaching lighting elements to a set. 

verb
  • To extend and retract (the zoom lens); to use it too enthusiastically. 

  • To transmit a signal or data back to a central switching point before sending it out to its destination. 

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