roof vs tray

roof

verb
  • To cover or furnish with a roof. 

  • To traverse buildings by walking or climbing across their roofs. 

  • To put into prison, to bird. 

  • To shelter as if under a roof. 

noun
  • The external covering at the top of a building. 

  • The top external level of a building. 

  • The upper part of a cavity. 

  • An overhanging rock wall. 

  • The surface or bed of rock immediately overlying a bed of coal or a flat vein. 

tray

verb
  • to place (items) on a tray 

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

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

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

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