inkstand vs tray

inkstand and tray both are nouns.

Word	Noun	Adjective	Verb	Adverb
inkstand	Yes	No	No	No
tray	Yes	No	No	No

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

inkstand: a tray or stand for writing implements and containers for ink
tray: an open receptacle for holding or displaying or serving articles or food

inkstand (noun)	tray (noun)
a tray or stand for writing implements and containers for ink	an open receptacle for holding or displaying or serving articles or food
a small well holding writing ink into which a pen can be dipped