climax vs trough

climax

noun
  • The culmination of a narrative's rising action, the turning point. 

  • A rhetorical device in which a series is arranged in ascending order. 

  • The final term of a rhetorical climax. 

  • The culmination of sexual pleasure, an orgasm. 

  • A culmination or acme: the last term in an ascending series 

  • The culmination of ecological development, whereby species are in equilibrium with their environment. 

verb
  • To reach or bring to a climax (in any sense). 

trough

noun
  • low turning point or a local minimum of a business cycle 

  • A gutter under the eaves of a building; an eaves trough. 

  • A linear atmospheric depression associated with a weather front. 

  • A long, narrow container, open on top, for feeding or watering animals. 

  • A rectangular container used for washing or rinsing clothes. 

  • A long, narrow depression between waves or ridges; the low portion of a wave cycle. 

  • A channel for conveying water or other farm liquids (such as milk) from place to place by gravity; any ‘U’ or ‘V’ cross-sectioned irrigation channel. 

  • Any similarly shaped container. 

  • A short, narrow canal designed to hold water until it drains or evaporates. 

verb
  • To eat in a vulgar style, as if from a trough. 

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