draughtproof vs sellotape

draughtproof

verb

  • To seal an opening, so as to prevent the entry of draughts. 

adj

  • That prevents the entry of draughts. 

sellotape

verb

  • To seal with adhesive tape. 

noun

  • Adhesive tape. 

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