tray vs trough

tray

noun
  • A small, typically rectangular or round, flat, and rigid object upon which things are carried. 

  • A gay trans person, particularly a man (a man who is both transgender and gay) 

  • A type of retail or wholesale packaging for CPUs where the processors are sold in bulk and/or with minimal packaging. 

  • The platform of a truck that supports the load to be hauled. 

  • The items on a full tray. 

  • A notification area used for icons and alerts. 

  • A component of a device into which an item is placed for use in the device's operations. 

verb
  • to slide down a snow-covered hill on a tray from a cafeteria. 

  • to place (items) on a tray 

trough

noun
  • Any similarly shaped container. 

  • 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. 

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

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

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

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