depression vs relief

depression

noun
  • A period of low morale or unhappiness (a period of experiencing the above-mentioned state of mind) which lasts longer than several weeks and may include ideation of self-inflicted injury or suicide. 

  • Four consecutive quarters of negative, real GDP growth. See NBER. 

  • A state of mind producing serious, long-term lowering of enjoyment of life or inability to visualize a happy future. 

  • A lowering, in particular a reduction in a particular biological variable or the function of an organ, in contrast to elevation. 

  • A period of major economic contraction. 

  • The act of lowering or pressing something down. 

  • An area that is lower in topography than its surroundings. 

  • An area of lowered air pressure that generally brings moist weather, sometimes promoting hurricanes and tornadoes. 

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 depression and relief occurred in a corpus of books? (source: Google Ngram Viewer )