flotsam and jetsam vs spoilage

flotsam and jetsam

noun
  • A collection of miscellaneous items or fragments of little importance. 

  • That which has been discharged from a ship or boat, especially on the ocean or a sea, (flotsam unintentionally and jetsam intentionally). 

  • The remains of a shipwreck still floating in the water. 

  • People considered to be of little worth. 

spoilage

noun
  • The part of something that has spoiled. 

  • The process of spoiling. 

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