discount vs brush off

discount is a noun but brush off is not a noun.

Word	Noun	Adjective	Verb	Adverb
discount	Yes	No	Yes	No
brush off	No	No	Yes	No

As verbs, discount and brush off are synonyms defined as:

Other synonyms of discount include brush aside, dismiss, disregard, ignore, push aside.

discount (noun)	brush off (noun)
the act of reducing the selling price of merchandise
an amount or percentage deducted
interest on an annual basis deducted in advance on a loan
a refund of some fraction of the amount paid

discount (verb)	brush off (verb)
bar from attention or consideration	bar from attention or consideration
give a reduction in price on