rags and tatters vs underwear

rags and tatters

noun
  • very old, torn clothes 

  • something ruined; fragments 

underwear

noun
  • Clothes worn next to the skin, underneath outer clothing. 

  • Underpants (boxers, briefs, panties, etc) and often bras. 

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