keg vs vat

keg

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

verb
  • To store in a keg. 

vat

noun
  • A large tub, such as is used for making wine or for tanning. 

  • A square, hollow place on the back of a calcining furnace, where tin ore is laid to dry. 

  • A vessel for holding holy water. 

verb
  • To put into a vat. 

  • To blend (wines or spirits) in a vat; figuratively, to mix or blend elements as if with wines or spirits. 

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