head for the hills vs hightail it

head for the hills and hightail it both are verbs.

Word	Noun	Adjective	Verb	Adverb
head for the hills	No	No	Yes	No
hightail it	No	No	Yes	No

As verbs, head for the hills and hightail it are synonyms defined as:

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

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

head for the hills (verb)	hightail it (verb)
flee; take to one's heels; cut and run	flee; take to one's heels; cut and run