pass off vs discount

pass off is not a noun while discount is a noun.

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

As verbs, discount is a hypernym of pass off; that is, discount is a word with a broader meaning than pass off:

Other hypernyms of pass off include brush aside, brush off, dismiss, disregard, ignore, push aside.

pass off (noun)	discount (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

pass off (verb)	discount (verb)
expel (gases or odors)	bar from attention or consideration
come to pass	give a reduction in price on
disappear gradually
disregard
cause to be circulated and accepted in a false character or identity
be accepted as something or somebody in a false character or identity