break away vs head for the hills

break away and head for the hills both are verbs.

Word	Noun	Adjective	Verb	Adverb
break away	No	No	Yes	No
head for the hills	No	No	Yes	No

As verbs, break away and head for the hills are synonyms defined as:

break away and head for the hills: flee; take to one's heels; cut and run

Other synonyms of break away include bunk, escape, fly the coop, hightail it, lam, run, run away, scarper, scat, take to the woods, turn tail.

break away (verb)	head for the hills (verb)
break off (a piece from a whole)	flee; take to one's heels; cut and run
flee; take to one's heels; cut and run
move away or escape suddenly
withdraw from an organization or communion
interrupt a continued activity