break up vs dismiss

break up and dismiss both are verbs.

Word	Noun	Adjective	Verb	Adverb
break up	No	No	Yes	No
dismiss	No	No	Yes	No

break up (verb)	dismiss (verb)
laugh unrestrainedly	declare void
break or cause to break into pieces	bar from attention or consideration
come to an end	end one's encounter with somebody by causing or permitting the person to leave
separate (substances) into constituent elements or parts	cease to consider; put out of judicial consideration
cause to go into a solution	terminate the employment of; discharge from an office or position
cause to separate	stop associating with
close at the end of a session
bring the association of to an end or cause to break up
make a break in
set or keep apart
break violently or noisily; smash
attack with or as if with a pickaxe of ice or rocky ground, for example
release ice
destroy the completeness of a set of related items
take apart into its constituent pieces
suffer a nervous breakdown
disband
to cause to separate and go in different directions
discontinue an association or relation; go different ways