affinity vs sympathy

affinity

noun
  • The fact of and manner in which something is related to another. 

  • A kinsman or kinswoman of a such relationship; one who is affinal. 

  • The attraction between an antibody and an antigen 

  • An automorphism of affine space. 

  • resemblances between biological populations, suggesting that they have a common origin, type or stock. 

  • A love interest; a paramour. 

  • structural resemblances between minerals; resemblances that suggest that they are of a common origin or type. 

  • An attractive force between atoms, or groups of atoms, that contributes towards their forming bonds 

  • tendency to keep a task running on the same processor in a symmetric multiprocessing operating system to reduce the frequency of cache misses 

  • Any romantic relationship. 

  • A family relationship through marriage of a relative (e.g. sister-in-law), as opposed to consanguinity (e.g. sister). 

  • Any passionate love for something. 

  • A natural attraction or feeling of kinship to a person or thing. 

sympathy

noun
  • An affinity, association or mutual relationship between people or things such that they are correspondingly affected by any condition. 

  • Support in the form of shared feelings or opinions. 

  • Artistic harmony, as of shape or colour in a painting. 

  • The formal expression of pity or sorrow for someone else's misfortune. 

  • The ability to share the feelings of another. 

  • A feeling of pity or sorrow for the suffering or distress of another. 

  • Mutual or parallel susceptibility or a condition brought about by it. 

  • Feeling of loyalty; tendency towards, agreement with or approval of an opinion or aim; a favorable attitude. 

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