detritivore vs saprophage

detritivore

noun
  • detritus feeder (“saprophage”) 

  • An organism that feeds on detritus; a detrivore, a saprophage. 

saprophage

noun
  • A detritivore. 

  • A degenerate person; a wastrel. 

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