break off vs disrupt

break off and disrupt both are verbs.

Word	Noun	Adjective	Verb	Adverb
break off	No	No	Yes	No
disrupt	No	No	Yes	No

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

Other hyponyms of break off include fracture, bog, bog down, break up, cut off, interrupt.

break off (verb)	disrupt (verb)
prevent completion	interfere in someone else's activity
interrupt before its natural or planned end	throw into disorder
break a small piece off from	make a break in
break off (a piece from a whole)
break a piece from a whole