foul vs swab

foul

verb
  • To clog or obstruct. 

  • To make contact with an opposing player in order to gain advantage. 

  • To become clogged. 

  • To become entangled. 

  • To come into contact or collide with. 

  • To make dirty. 

  • To besmirch. 

  • To hit a ball outside of the baselines. 

  • To hit outside of the baselines. 

  • To entangle. 

  • To commit a foul. 

adj
  • Entangled and therefore restricting free movement, not clear. 

  • Detestable, unpleasant, loathsome. 

  • Obscene, vulgar or abusive. 

  • Disgusting, repulsive; causing disgust. 

  • (with "of") Positioned on, in, or near enough to (a specified area) so as to obstruct it. 

  • Dishonest or not conforming to the established rules and customs of a game, conflict, test, etc. 

  • Unpleasant, stormy or rainy. 

  • Covered with, or containing unclean matter; dirty. 

  • Outside of the base lines; in foul territory. 

noun
  • A breach of the rules of a game, especially one involving inappropriate contact with an opposing player in order to gain an advantage; for example, tripping someone up in soccer, or contact of any kind in basketball. 

  • A foul ball, a ball which has been hit outside of the base lines. 

  • A (usually accidental) contact between a bowler and the lane before the bowler has released the ball. 

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). 

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