abreast vs from pillar to post

abreast

adv
  • Alongside; parallel to. 

  • Side by side and facing forward. 

  • Followed by of or with: up to a certain level or line; equally advanced. 

  • Informed, well-informed, familiar, acquainted. 

  • Side by side; also, opposite; on a line with the vessel's beam. 

  • Breast high (of an advancing wave). 

prep
  • Abreast of; alongside. 

adj
  • Up to a certain level or line; equally advanced 

  • Alongside; parallel to. 

  • Informed, well-informed, familiar, acquainted. 

  • Side by side; also, opposite; over against; on a line with the vessel's beam. 

  • Side by side, facing forward. 

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 abreast and from pillar to post occurred in a corpus of books? (source: Google Ngram Viewer )