ferment vs forset

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. 

forset

verb
  • To upset; hinder. 

  • To beset; surround; invest; surround with difficulties; bar; impede. 

  • To get in front of; intercept; waylay; entrap. 

  • To overpower; give one too much of anything; surfeit. 

  • To overburden or overpower with work; overwork; overtax. 

noun
  • A stratagem. 

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