beetroot vs levigate

beetroot

verb
  • To turn a bright red or purple colour. 

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. 

levigate

verb
  • To make smooth or polish. 

  • To separate finer grains from coarser ones by suspension in a liquid. 

  • To lighten. 

  • To belittle. 

  • To make into a smooth paste or fine powder. 

adj
  • Smooth. 

  • Made less harsh or burdensome; alleviated. 

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