fluff vs ruin

fluff

verb
  • To do incorrectly, for example mishit, miskick, miscue etc. 

  • To become fluffy, puff up. 

  • To arouse (a male pornographic actor) before filming. 

  • To break wind. 

  • To make something fluffy. 

  • To move lightly like fluff. 

  • To make a mistake in one's lines. 

noun
  • A form of roleplaying which is inconsequential and not related to the plot; often used in the context of (but not limited to) filling time. 

  • A passive partner in a lesbian relationship. 

  • Anything light, soft or fuzzy, especially fur, hair, feathers. 

  • Anything inconsequential or superficial. 

  • Marshmallow creme. 

  • A fart. 

  • A lapse or mistake, especially a mistake in an actor's lines. 

  • Fan fiction, or part of a fan fiction, which is sweet and feel-good in tone, usually involving romance. 

ruin

verb
  • To upset or overturn the plans or progress of, or to have a disastrous effect on something. 

  • To seduce or debauch, and thus harm the social standing of. 

  • To make something less enjoyable or likeable. 

  • To cause the fiscal ruin of; to bankrupt or drive out of business. 

  • To destroy or make something no longer usable. 

  • To reveal the ending of (a story); to spoil. 

noun
  • The state of being a ruin, destroyed or decayed. 

  • A change that destroys or defeats something; destruction; overthrow. 

  • The remains of a destroyed or dilapidated construction, such as a house or castle. 

  • The act of ruining something. 

  • Complete financial loss; bankruptcy. 

  • Something that leads to serious trouble or destruction. 

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