trough vs exchequer

trough and exchequer both are nouns.

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

As nouns, exchequer is a hypernym of trough; that is, exchequer is a word with a broader meaning than trough:

Other hypernyms of trough include treasury.

trough (noun)	exchequer (noun)
a channel along the eaves or on the roof; collects and carries away rainwater	the funds of a government or institution or individual
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