oddball vs undead

oddball

adj
  • Exotic, not mainstream. 

noun
  • An eccentric or unusual person. 

  • A deviant stimulus that appears among repetitive stimuli during an experiment, to trigger an event-related potential in the participant. 

undead

adj
  • Being animate, though non-living. 

  • Pertaining to a corpse, though having qualities of life. 

noun
  • A creature that is undead; that is, dead but still animate. 

  • Those creatures which are undead; that is, dead yet still animate. 

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