take apart vs dismantle

take apart and dismantle both are verbs.

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

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

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

take apart (verb)	dismantle (verb)
make a mathematical, chemical, or grammatical analysis of; break down into components or essential features	take off or remove
divide into pieces	take apart into its constituent pieces
take apart into its constituent pieces	tear down so as to make flat with the ground