lazy Susan vs tray

lazy Susan and tray both are nouns.

Word	Noun	Adjective	Verb	Adverb
lazy Susan	Yes	No	No	No
tray	Yes	No	No	No

As nouns, tray is a hypernym of lazy Susan; that is, tray is a word with a broader meaning than lazy Susan:

lazy Susan: a revolving tray placed on a dining table
tray: an open receptacle for holding or displaying or serving articles or food

lazy Susan (noun)	tray (noun)
a revolving tray placed on a dining table	an open receptacle for holding or displaying or serving articles or food