cellar vs sodium carbonate

cellar

noun
  • A small dish for holding salt. 

  • Last place in a league or competition. 

  • salt cellar 

  • A basement. 

  • A wine collection, especially when stored in a cellar. 

  • An enclosed underground space, often under a building, used for storage or shelter. 

verb
  • To store in a cellar. 

sodium carbonate

noun
  • A salt, Na₂CO₃ formally derived from sodium hydroxide and carbonic acid; it is a white powder, soluble in water, with domestic, commercial and industrial uses; it occurs naturally as natrite 

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