germination vs spoilage

germination

noun
  • The process of germinating; the beginning of vegetation or growth from a seed or spore; the first development of germs, either animal or vegetable. 

spoilage

noun
  • The part of something that has spoiled. 

  • The process of spoiling. 

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