break away vs come off

break away and come off both are verbs.

Word	Noun	Adjective	Verb	Adverb
break away	No	No	Yes	No
come off	No	No	Yes	No

As verbs, break away and come off are synonyms defined as:

Other synonyms of break away include break off, chip, chip off.

break away (verb)	come off (verb)
break off (a piece from a whole)	happen in a particular manner
flee; take to one's heels; cut and run	come to be detached
move away or escape suddenly	break off (a piece from a whole)
withdraw from an organization or communion
interrupt a continued activity