blockflute vs camcorder

blockflute

noun
  • A musical instrument of the woodwind family constructed using a fipple plug; a recorder. 

camcorder

noun
  • A camera recorder: a portable electronic device for recording images and audio on to a storage device, hence functioning as a camera and a recorder in a single unit. 

verb
  • To record using a camcorder. 

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