ferrule vs twig

ferrule

verb
  • To equip with a ferrule. 

noun
  • 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 bushing for securing a pipe joint. 

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

twig

verb
  • To beat with twigs. 

  • To twitch; 

  • To tweak. 

  • To realise something; to catch on; to recognize someone or something. 

  • To understand the meaning of (a person); to comprehend. 

  • To observe slyly; also, to perceive; to discover. 

noun
  • A small thin branch of a tree or bush. 

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