CD vs vinyl

CD

verb

  • To cross-dress. 

vinyl

noun

  • Any of various compounds and substances containing the vinyl radical, especially various tough, flexible, shiny plastics. 

  • The univalent radical CH₂=CH−, derived from ethylene. 

  • A phonograph record. 

  • Phonograph records as a medium. 

adj

  • Pertaining to a phonograph record. 

  • Containing the vinyl radical. 

  • Made of polyvinyl chloride. 

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