exchequer vs trough

exchequer and trough both are nouns.

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

As nouns, trough is a hyponym of exchequer; that is, trough is a word with a more specific, narrower meaning than exchequer:

Other hyponyms of exchequer include public treasury, till, bursary, subtreasury, fisc.

exchequer (noun)	trough (noun)
the funds of a government or institution or individual	a channel along the eaves or on the roof; collects and carries away rainwater
	a container (usually in a barn or stable) from which cattle or horses feed
	a long narrow shallow receptacle
	a narrow depression (as in the earth or between ocean waves or in the ocean bed)
	a treasury for government funds
	a concave shape with an open top