fibreglass vs rummer

fibreglass

noun
  • A composite material made from fine fibres of spun glass held together with resin. 

  • Silica based glass extruded into fibers that possess a length at least 1000 times greater than their width. 

verb
  • To apply fibreglass to. 

rummer

noun
  • A large drinking-glass for alcoholic drinks, typically with a short or heavy stem. 

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