root about vs rummage

root about

verb
  • To search for something in a similar manner. 

  • To rummage; to look for something in a somewhat aimless fashion. 

  • To forage by poking the snout here and there. 

rummage

verb
  • To search something thoroughly and with disregard for the way in which things were arranged. 

  • To hastily search for something in a confined space and among many items by carelessly turning things over or pushing things aside. 

  • To search a vessel for smuggled goods. 

  • To arrange (cargo, goods, etc.) in the hold of a ship; to move or rearrange such goods. 

noun
  • A place or room for the stowage of cargo in a ship. 

  • A disorganized collection of miscellaneous objects; a jumble. 

  • A thorough search, usually resulting in disorder. 

  • The act of stowing cargo; the pulling and moving about of packages incident to close stowage. 

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