phantasy vs woolgathering

phantasy

noun
  • The innate, mental image of an object; the link between instinct and reality. 

woolgathering

noun
  • Indulgence in idle fancies or daydreams. 

  • The gathering of fragments of wool torn from sheep by bushes, etc. 

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