tray vs underlay

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. 

underlay

verb
  • To put a tap on (a shoe). 

  • To lay (something) underneath something else; to put under. 

  • simple past tense of underlie 

  • To provide a support for something; to raise or support by something laid under. 

  • To incline from the vertical. 

noun
  • A piece of paper pasted under woodcuts, stereotype plates, etc. in a form, to bring them up to the necessary level for printing. 

  • Lyrics; or more specifically, the way in which lyrics are assigned to musical notes. 

  • Anything that is underlaid. 

  • A layer (of earth, etc.) that lies under another; substratum. 

  • A soft floor covering that lies under a carpet. 

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