grabble vs root about

grabble

verb
  • To search with one's hands and fingers; to attempt to grasp something. 

  • To attempt to grab; to grasp at (something). 

  • To catch fish by reaching into the water with one's hand. 

  • To pull, lift or dig (something) (out of the ground) by searching with one's hands and fingers. 

  • To utter inarticulate sounds, often quickly and loudly; to say (something) quickly, idly or foolishly. 

  • To touch (someone) with one's hands or fingers, sometimes in a sexual way. 

  • To pick (something or someone) up hastily, roughly or clumsily. 

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. 

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