keeve vs suffuse

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. 

suffuse

verb
  • To pour underneath. 

  • To spread through or over in the manner of a liquid. 

  • To spread through or over something, especially as a liquid, colour or light; to bathe. 

adj
  • Suffused; diffuse. 

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