concern vs sympathy

concern

noun
  • The expression of solicitude, anxiety, or compassion toward a thing or person. 

  • The placement of interest or worry on a subject. 

  • That which affects one’s welfare or happiness. A matter of interest to someone. 

  • A worry; a sense that something may be wrong; an identification of a possible problem. 

  • A business, firm or enterprise; a company. 

  • Any set of information that affects the code of a computer program. 

verb
  • To engage by feeling or sentiment; to interest. 

  • To relate or belong to; to have reference to or connection with; to affect the interest of; to be of importance to. 

  • To make somebody worried. 

sympathy

noun
  • The ability to share the feelings of another. 

  • 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. 

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

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

  • 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 concern and sympathy occurred in a corpus of books? (source: Google Ngram Viewer )