barrique vs keg

barrique

noun
  • A barrel or cask of varying capacity, very roughly 200 litres. 

keg

noun
  • A round, traditionally wooden container of lesser capacity than a barrel, often used to store beer. 

verb
  • To store in a keg. 

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