deduce vs ideate

deduce

verb
  • To reach (a conclusion) by applying rules of logic or other forms of reasoning to given premises or known facts. 

  • To examine, explain, or record (something) in an orderly manner. 

ideate

verb
  • To apprehend in thought so as to fix and hold in the mind; to memorize. 

  • To generate an idea. 

noun
  • The actual existence supposed to correspond with an idea; the correlate in real existence to the idea as a thought or existence. 

adj
  • Produced by an idea. 

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