exchequer vs treasury

exchequer and treasury both are nouns.

Word	Noun	Adjective	Verb	Adverb
exchequer	Yes	No	No	No
treasury	Yes	No	No	No

As nouns, exchequer and treasury are synonyms defined as:

exchequer and treasury: the funds of a government or institution or individual

exchequer (noun)	treasury (noun)
the funds of a government or institution or individual	a depository (a room or building) where wealth and precious objects can be kept safely
	the government department responsible for collecting and managing and spending public revenues
	the funds of a government or institution or individual