attractor vs magnetism

attractor

noun
  • Something which attracts. 

  • A set of points or states to which a dynamical system evolves after a long enough time. That is, points that get close enough to the attractor remain close even if slightly disturbed. 

magnetism

noun
  • Power of attraction; power to excite the feelings and to gain the affections. 

  • The science which treats of magnetic phenomena. 

  • The property of being magnetic. 

  • Animal magnetism. 

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