offbeat vs superhuman

offbeat

adj
  • Unusual; unconventional; not ordinary. 

noun
  • The beats not normally accented in a measure. 

  • An unconventional person, someone who does not follow the beat, who chooses not to conform. 

superhuman

adj
  • Beyond what is possible for a human being. 

noun
  • A human being with remarkable abilities or superpowers. 

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