elicit vs occasion

elicit

verb
  • To evoke, educe (emotions, feelings, responses, etc.); to generate, obtain, or provoke as a response or answer. 

  • To draw out, bring out, bring forth (something latent); to obtain information from someone or something. 

  • To use logic to arrive at truth; to derive by reason 

occasion

verb
  • To cause; to produce; to induce 

noun
  • Need; requirement, necessity. 

  • The time when something happens. 

  • Something which causes something else; a cause. 

  • A reason or excuse; a motive; a persuasion. 

  • A special event or function. 

  • A particular happening; an instance or time when something occurred. 

  • An occurrence or state of affairs which causes some event or reaction; a motive or reason. 

  • A favorable opportunity; a convenient or timely chance. 

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