beetroot vs ferment

beetroot

noun
  • The edible part of the root of a beet plant, raw or prepared. 

  • A normally deep-red-coloured root vegetable usually cooked or pickled before eating; Synonym of beet. 

verb
  • To turn a bright red or purple colour. 

ferment

noun
  • A gentle internal motion of the constituent parts of a fluid; fermentation. 

  • Something, such as a yeast or barm, that causes fermentation. 

  • A state of agitation or of turbulent change. 

  • A catalyst. 

verb
  • To stir up, agitate, cause unrest or excitement in. 

  • To react, using fermentation; especially to produce alcohol by aging or by allowing yeast to act on sugars; to brew. 

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