ferment vs flame

ferment

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. 

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

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

  • A state of agitation or of turbulent change. 

  • A catalyst. 

flame

verb
  • To burst forth like flame; to break out in violence of passion; to be kindled with zeal or ardour. 

  • To produce flames; to burn with a flame or blaze. 

  • To post a destructively critical or abusive message (to somebody). 

adj
  • Of a brilliant reddish orange-gold colour, like that of a flame. 

noun
  • The visible part of fire; a stream of burning vapour or gas, emitting light and heat. 

  • A brilliant reddish orange-gold fiery colour. 

  • flame 

  • A romantic partner or lover in a usually short-lived but passionate affair. 

  • The contrasting light and dark figure seen in wood used for stringed instrument making; the curl. 

  • Burning zeal, passion, imagination, excitement, or anger. 

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