rasp vs swab

rasp

noun
  • The sound made by this tool when used, or any similar sound. 

  • A coarse file, on which the cutting prominences are distinct points raised by the oblique stroke of a sharp punch, instead of lines raised by a chisel, as on the true file. 

verb
  • To use a rasp. 

  • To say in a raspy voice. 

  • To make a noise similar to the one a rasp makes in use; to utter rasps. 

  • To grate harshly upon; to offend by coarse or rough treatment or language. 

  • To work something with a rasp. 

swab

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

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

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

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