break off vs break away

break off and break away both are verbs.

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

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

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

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