fall apart vs wear out

fall apart and wear out both are verbs.

Word	Noun	Adjective	Verb	Adverb
fall apart	No	No	Yes	No
wear out	No	No	Yes	No

As verbs, fall apart and wear out are synonyms defined as:

Other synonyms of fall apart include break, bust, wear.

fall apart (verb)	wear out (verb)
become separated into pieces or fragments	exhaust or get tired through overuse or great strain or stress
break or fall apart into fragments	deteriorate through use or stress
go to pieces	go to pieces
lose one's emotional or mental composure