rags and tatters vs tunic

rags and tatters

noun
  • very old, torn clothes 

  • something ruined; fragments 

tunic

noun
  • A garment worn over the torso, with or without sleeves, and of various lengths reaching from the hips to the ankles. 

  • Any covering, such as seed coat or the organ that covers a membrane. 

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