dack vs swag

dack

verb
  • To pull down someone's trousers as a practical joke. 

swag

verb
  • To droop; to sag. 

  • To install (a ceiling fan or light fixture) by means of a long cord running from the ceiling to an outlet, and suspended by hooks or similar. 

  • To travel on foot carrying a swag (possessions tied in a blanket). 

  • To transport stolen goods. 

  • To (cause to) sway. 

  • To decorate (something) with loops of draped fabric. 

noun
  • Handouts, freebies, or giveaways, often distributed at conventions; merchandise. 

  • A loop of draped fabric. 

  • A low point or depression in land; especially, a place where water collects. 

  • A small single-person tent, usually foldable into an integral backpack. 

  • Style; fashionable appearance or manner. 

  • Stolen goods; the booty of a burglar or thief; boodle. 

  • A large quantity (of something). 

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