get away vs break away

get away and break away both are verbs.

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

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

get away (verb)	break away (verb)
escape potentially unpleasant consequences; get away with a forbidden action	break off (a piece from a whole)
run away from confinement	flee; take to one's heels; cut and run
remove oneself from a familiar environment, usually for pleasure or diversion	move away or escape suddenly
	withdraw from an organization or communion
	interrupt a continued activity