foreguess vs head trip

foreguess

noun
  • A conjecture; an assumption. 

verb
  • To forecast. 

  • To guess beforehand. 

  • To conjecture; assume. 

  • To anticipate; expect. 

head trip

noun
  • An ego trip. 

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

  • 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 foreguess and head trip occurred in a corpus of books? (source: Google Ngram Viewer )