baking tray vs cookie sheet

baking tray and cookie sheet both are nouns.

Word	Noun	Adjective	Verb	Adverb
baking tray	Yes	No	No	No
cookie sheet	Yes	No	No	No

As nouns, baking tray and cookie sheet are synonyms defined as:

baking tray and cookie sheet: a cooking utensil consisting of a flat rectangular metal sheet used for baking cookies or biscuits

baking tray (noun)	cookie sheet (noun)
a cooking utensil consisting of a flat rectangular metal sheet used for baking cookies or biscuits	a cooking utensil consisting of a flat rectangular metal sheet used for baking cookies or biscuits