break up vs dissociate

break up and dissociate both are verbs.

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

As verbs, dissociate is a hyponym of break up; that is, dissociate is a word with a more specific, narrower meaning than break up:

break up: separate (substances) into constituent elements or parts
dissociate: to undergo a reversible or temporary breakdown of a molecule into simpler molecules or atoms

Other hyponyms of break up include digest, crack.

As verbs, dissociate is a hyponym of break up; that is, dissociate is a word with a more specific, narrower meaning than break up:

break up (verb)	dissociate (verb)
laugh unrestrainedly	to undergo a reversible or temporary breakdown of a molecule into simpler molecules or atoms
break or cause to break into pieces	regard as unconnected
come to an end	part; cease or break association with
separate (substances) into constituent elements or parts
cause to go into a solution
cause to separate
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