beetroot vs warmth

beetroot

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

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

verb
  • To turn a bright red or purple colour. 

warmth

noun
  • The effect of using mostly red and yellow hues. 

  • Friendliness, kindness or affection. 

  • A moderate degree of heat; the sensation of being warm. 

  • Fervor, intensity of emotion or expression. 

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