swab vs toothcomb

swab

verb
  • To use a swab on something, or clean something with a swab. 

noun
  • A sailor; a swabby. 

  • A naval officer's epaulet. 

  • A small piece of soft, absorbent material, such as gauze, used to clean wounds, apply medicine, or take samples of body fluids. Often attached to a stick or wire to aid access. 

  • A mop, especially on a ship. 

  • A piece of material used for cleaning or sampling other items like musical instruments or guns. 

  • A sample taken with a swab (piece of absorbent material). 

toothcomb

verb
  • To use a toothcomb on (something). 

  • To search (something) thoroughly. 

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 swab and toothcomb occurred in a corpus of books? (source: Google Ngram Viewer )