As adjectives the difference between rayless and trayless
is that rayless is lacking rays while trayless is without a tray.
rayless
English
Adjective
(-)
Lacking rays
Lightless, gloomy
(botany) Lacking florets
Anagrams
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trayless
English
Adjective
(-)
Without a tray
:The cafeteria is trayless this year in an effort to save water.