decorate vs spoil

decorate

verb
  • To extend a method, etc. by attaching some further code item. 

  • To honor by providing a medal, ribbon, or other adornment. 

  • To decorate an interior space, as a house, room, or office. 

  • To furnish with decorations. 

  • To improve the appearance of an interior of, as a house, room, or office. 

spoil

noun
  • Material (such as rock or earth) removed in the course of an excavation, or in mining or dredging. Tailings. Such material could be utilised somewhere else. 

  • Plunder taken from an enemy or victim. 

verb
  • To ruin the character of, by overindulgence; to coddle or pamper to excess. 

  • To reveal the ending or major events of (a story etc.); to ruin (a surprise) by exposing it ahead of time. 

  • To render (a ballot paper) invalid by deliberately defacing it. 

  • Of food, to become bad, sour or rancid; to decay. 

  • To ruin; to damage (something) in some way making it unfit for use. 

  • To reduce the lift generated by an airplane or wing by deflecting air upwards, usually with a spoiler. 

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