conceive vs head trip

conceive

verb
  • To understand (someone). 

  • To generate or engender; to bring into being. 

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

  • To become pregnant (with). 

head trip

noun
  • An experience or set of experiences which is intellectually challenging or stimulating. 

  • An ego trip. 

  • A disorienting, exciting experience, especially one consisting mainly of striking sensory impressions. 

  • A state of mind in which one is distracted, disturbed, or unnerved, whether self-induced or resulting from ill-treatment by others. 

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