take flight vs run off

take flight and run off both are verbs.

Word	Noun	Adjective	Verb	Adverb
take flight	No	No	Yes	No
run off	No	No	Yes	No

As verbs, run off is a hyponym of take flight; that is, run off is a word with a more specific, narrower meaning than take flight:

take flight (verb)	run off (verb)
run away quickly	decide (a contest or competition) by a runoff
	reproduce by xerography
	force to go away; used both with concrete and metaphoric meanings
	leave suddenly and as if in a hurry
	run away; usually includes taking something or somebody along
	run away secretly with one's beloved
	run off as waste