Difference between Decomposition and Putrefaction

What is the difference between Decomposition and Putrefaction?

Decomposition as a noun is a biological process through which organic material is reduced to e.g. compost while Putrefaction as a noun is the act of causing to rot; the anaerobic splitting of proteins by bacteria and fungi with the formation of malodorous, incompletely oxidized products

We hope you now know whether to use Decomposition or Putrefaction in your sentence.