struggle vs sympathy

struggle

noun
  • A contortion of the body in an attempt to escape or to perform a difficult task. 

  • Strife, contention, great effort. 

verb
  • To strive, to labour in difficulty, to fight (for or against), to contend. 

  • To strive, or to make efforts, with a twisting, or with contortions of the body. 

sympathy

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

  • 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. 

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

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

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