oddity vs wack

oddity

noun
  • A strange person; an oddball. 

  • Strangeness. 

  • An odd or strange thing or opinion. 

wack

noun
  • An eccentric; an oddball; a weirdo. 

  • A friendly term of address. 

adj
  • Annoyingly or disappointingly bad, in various senses; lousy, cringy, uncool, messed up. 

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