concern vs relief

concern

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

  • The placement of interest or worry on a subject. 

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

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

  • 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. 

relief

noun
  • The feeling associated with the removal of stress or discomfort. 

  • Release from a post or duty, as when replaced by another. 

  • A type of sculpture or other artwork in which shapes or figures protrude from a flat background. 

  • A certain fine or composition paid by the heir of a tenant upon the death of the ancestor. 

  • A lowering of a tax through special provisions; tax relief. 

  • The apparent difference in elevation in the surface of a painting or drawing made noticeable by a variation in light or color. 

  • Aid or assistance offered in time of need. 

  • The removal of stress or discomfort. 

  • The supposed projection of a charge from the surface of a field, indicated by shading on the sinister and lower sides. 

  • Court-ordered compensation, aid, or protection, a redress. 

  • The person who takes over a shift for another. 

  • The difference of elevations on a surface. 

adj
  • Characterized by surface inequalities. 

  • Of or used in letterpress. 

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