The best replacement for tray is trey.

The best alternatives to tray are rated as following:
★★★★★  trey
★★★★  coffered ceiling
★★★★  packed column
★★★  box
★★  box cpu
★  box processor
★  conduit
★  slot drive
★  tub
★  slot load
★  vaulted ceiling
★  boxed
★  platter
★  metal tray
★  tape and reel
  crank scraper
  coffered ceilings
  notification area
  slot
  cable ladder
  j hooks
  vegetable tray
  wet room
  raceway
  veggie tray
  bubble cap
  scraper
  breakfast tray

Your alternative for tray is not listed? Suggest!
Speaking about tray, one probably shouldn't forget about cup holder.

Other search terms related to tray and their ratings are:
★★★★★ cup holder
★★ cup holders
★★ wrist rest
★★ tiles
★ ottoman
You have in mind a companion for tray and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of tray in all years. Click on graph for more.
tray
trey
coffered ceiling