exclude vs obviate

exclude

verb
  • To omit from consideration. 

  • To expel; to put out. 

  • To bar (someone or something) from entering; to keep out. 

  • To refuse to accept (evidence) as valid. 

  • To eliminate from diagnostic consideration. 

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). 

noun
  • Synonym of obviative 

adj
  • Synonym of obviative 

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