laugh away vs brush aside

laugh away and brush aside both are verbs.

Word	Noun	Adjective	Verb	Adverb
laugh away	No	No	Yes	No
brush aside	No	No	Yes	No

As verbs, brush aside is a hypernym of laugh away; that is, brush aside 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
brush aside: bar from attention or consideration

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

laugh away (verb)	brush aside (verb)
deal with a problem by laughing or pretending to be amused by it	bar from attention or consideration