discount vs decrease

discount and decrease both are nouns.

Word	Noun	Adjective	Verb	Adverb
discount	Yes	No	Yes	No
decrease	Yes	No	Yes	No

As nouns, decrease is a hypernym of discount; that is, decrease is a word with a broader meaning than discount:

Other hypernyms of discount include diminution, reduction, step-down.

discount (noun)	decrease (noun)
the act of reducing the selling price of merchandise	the act of decreasing or reducing something
an amount or percentage deducted	the amount by which something decreases
interest on an annual basis deducted in advance on a loan	a change downward
a refund of some fraction of the amount paid	a process of becoming smaller or shorter

discount (verb)	decrease (verb)
bar from attention or consideration	decrease in size, extent, or range
give a reduction in price on	make become smaller