laugh away vs discount

laugh away is not a noun while discount is a noun.

Word	Noun	Adjective	Verb	Adverb
laugh away	No	No	Yes	No
discount	Yes	No	Yes	No

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

laugh away: deal with a problem by laughing or pretending to be amused by it
discount: bar from attention or consideration

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

laugh away (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

laugh away (verb)	discount (verb)
deal with a problem by laughing or pretending to be amused by it	bar from attention or consideration
	give a reduction in price on