forbid vs obviate

forbid

verb
  • To oppose, hinder, or prevent, as if by an effectual command. 

  • To deny, exclude from, or warn off, by express command. 

  • To disallow; to proscribe. 

obviate

verb
  • To avoid (a future problem or difficult situation). 

  • To anticipate and prevent or bypass (something which would otherwise have been necessary or required). 

adj
  • Synonym of obviative 

noun
  • Synonym of obviative 

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