ferrule vs stopple

ferrule

noun
  • A bushing for securing a pipe joint. 

  • The plastic band attaching the tip to the cue. 

  • The pinched metal band which holds the bristles of a paintbrush to the shaft. 

  • The metal spike at the end of the shaft of an ice axe. 

  • A band or cap (usually metal) placed around a shaft to reinforce it or to prevent splitting. 

  • A metal sleeve placed inside a gutter at the top. 

verb
  • To equip with a ferrule. 

stopple

noun
  • A plug; a stopper. 

verb
  • To plug; to stop up. 

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