break apart vs dismantle

break apart and dismantle both are verbs.

Word	Noun	Adjective	Verb	Adverb
break apart	No	No	Yes	No
dismantle	No	No	Yes	No

As verbs, break apart and dismantle are synonyms defined as:

Other synonyms of break apart include break up, disassemble, take apart.

break apart (verb)	dismantle (verb)
break up or separate	take off or remove
break violently or noisily; smash	take apart into its constituent pieces
take apart into its constituent pieces	tear down so as to make flat with the ground