dismiss vs laugh away

dismiss and laugh away both are verbs.

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

As verbs, laugh away is a hyponym of dismiss; that is, laugh away is a word with a more specific, narrower meaning than dismiss:

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

dismiss (verb)	laugh away (verb)
declare void	deal with a problem by laughing or pretending to be amused by it
bar from attention or consideration
end one's encounter with somebody by causing or permitting the person to leave
cease to consider; put out of judicial consideration
terminate the employment of; discharge from an office or position
stop associating with