depression vs hope

depression

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

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

  • 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. 

  • 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. 

  • 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. 

hope

noun
  • The virtuous desire for future good. 

  • A sloping plain between mountain ridges. 

  • A small bay; an inlet; a haven. 

  • A hollow; a valley, especially the upper end of a narrow mountain valley when it is nearly encircled by smooth, green slopes; a combe. 

  • The feeling of trust, confidence, belief or expectation that something wished for can or will happen. 

  • The actual thing wished for. 

  • A person or thing that is a source of hope. 

verb
  • To wish. 

  • To want something to happen, with a sense of expectation that it might. 

  • To place confidence; to trust with confident expectation of good; usually followed by in. 

  • To be optimistic; be full of hope; have hopes. 

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