cask vs keeve

cask

verb
  • To put into a cask. 

noun
  • A large barrel for the storage of liquid, especially of alcoholic drinks. 

keeve

verb
  • To set in a keeve, or tub, for fermentation. 

  • To heave; to tilt, as a cart. 

noun
  • A large vat used in dressing ores. 

  • A vat or tub in which the mash is made; a mash tub. 

  • A bleaching vat; a kier. 

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