probe vs toothcomb

probe

verb
  • To explore, investigate, or question 

  • To insert a probe into. 

noun
  • A tube attached to an aircraft which can be fitted into the drogue from a tanker aircraft to allow for aerial refuelling. 

  • A small, usually unmanned, spacecraft used to acquire information or measurements about its surroundings. 

  • Something which penetrates something else, as though to explore; something which obtains information. 

  • An anal probe, a fictional instrument commonly used by aliens on abducted humans. 

  • An investigation or inquiry. 

  • a move with multiple answers seeking to make the opponent choose and commit to a strategy 

  • Any group of atoms or molecules radioactively labeled in order to study a given molecule or other structure 

  • An act of probing; a prod, a poke. 

  • A small device, especially an electrode, used to explore, investigate or measure something by penetrating or being placed in it. 

  • Any of various medical instruments used to explore wounds, organs, etc. 

toothcomb

verb
  • To search (something) thoroughly. 

  • To use a toothcomb on (something). 

noun
  • A comb with finely spaced teeth, chiefly as a metaphorical means of making a thorough search. 

  • A comb-like dental structure found in the lower jaws of certain primates consisting of long, flat front teeth with microscopic grooves, which are used for grooming fur. 

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