einstein vs superbrain

einstein

noun
  • A genius; a very smart person. 

  • One mole of photons, regardless of frequency, as used to measure irradiance. 

  • A shape that can be repeated to cover a plane with a nonrepeating pattern. 

superbrain

noun
  • An exceptionally intelligent person; a genius. 

  • An exceptionally powerful brain or artificial intelligence. 

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