forth vs from pillar to post

forth

adv
  • Out into view; from a particular place or position. 

  • Forward in time, place or degree. 

from pillar to post

adv
  • From one place (or person, or task) to another; from post to pillar, hither and thither. 

How often have the words forth and from pillar to post occurred in a corpus of books? (source: Google Ngram Viewer )