cameo vs watchband

cameo

noun
  • A piece of jewelry, etc., carved in relief. 

  • A single very brief appearance, especially by a prominent celebrity in a movie or song. 

verb
  • To appear in a cameo role. 

watchband

noun
  • a band of leather, metal etc that fastens a wristwatch to the wrist; a watchstrap 

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