conceive vs ideate

conceive

verb
  • To develop an idea; to form in the mind; to plan; to devise; to originate. 

  • To understand (someone). 

  • To generate or engender; to bring into being. 

  • To become pregnant (with). 

ideate

verb
  • To generate an idea. 

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

adj
  • Produced by 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. 

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