break away vs break off

break away and break off both are verbs.

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

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

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

break away (verb)	break off (verb)
break off (a piece from a whole)	prevent completion
flee; take to one's heels; cut and run	interrupt before its natural or planned end
move away or escape suddenly	break a small piece off from
withdraw from an organization or communion	break off (a piece from a whole)
interrupt a continued activity	break a piece from a whole