come in vs rat

come in

verb
  • To begin transmitting. 

  • To enter. 

  • To finish a race or similar competition in a particular position, such as first place, second place, or the like. 

  • To finish a race or similar competition in first place. 

  • To become fashionable. 

  • To have a strong enough signal to be able to be received well. 

  • To join or enter; to begin playing with a group. 

  • To rise. 

  • To become relevant, applicable, or useful. 

  • To arrive. 

  • To fully develop. 

  • To become available. 

  • To give in; to yield. 

  • To surrender; to turn oneself in. 

  • To function in the indicated manner. 

rat

noun
  • Vagina. 

  • Any of the numerous members of several rodent families (e.g. voles and mice) that resemble true rats in appearance, usually having a pointy snout, a long, bare tail, and body length greater than about 12 cm, or 5 inches. 

  • A scratch or a score. 

  • A roll of material used to puff out the hair, which is turned over it. 

  • A scab: a worker who acts against trade union policies. 

  • A person who routinely spends time at a particular location. 

  • A ration. 

  • A person who is known for betrayal; a scoundrel; a quisling. 

  • A medium-sized rodent belonging to the genus Rattus. 

  • A place in the sea with rapid currents and crags where a ship is likely to be torn apart in stormy weather. 

  • A wad of shed hair used as part of a hairstyle. 

  • An informant or snitch. 

verb
  • To scratch or score. 

  • To kill rats. 

  • Damn, drat, blast; used in oaths. 

  • To betray a person or party, especially by telling their secret to an authority or an enemy; to turn someone in. 

  • To work as a scab, going against trade union policies. 

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