fridge vs refrigerator

fridge

noun
  • A refrigerator. 

verb
  • To place (something) inside a refrigerator to chill; to refrigerate. 

  • To gratuitously kill, disempower, or otherwise remove (a character, usually female) from a narrative, often strictly to hurt another character (usually male) and motivate vengeance. 

refrigerator

noun
  • A household appliance used for keeping food fresh by refrigeration (short form fridge). 

  • One who has a chilling influence. 

  • A similar device used to keep non-food items cold, such as blood, photographic film, drugs, or pharmaceuticals like insulin. 

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