back up vs re-create

back up and re-create both are verbs.

Word	Noun	Adjective	Verb	Adverb
back up	No	No	Yes	No
re-create	No	No	Yes	No

As verbs, re-create is a hypernym of back up; that is, re-create is a word with a broader meaning than back up:

back up: make a copy of (a computer file) especially for storage in another place as a security copy
re-create: make a replica of

Other hypernyms of back up include copy, recreate.

back up (verb)	re-create (verb)
establish as valid or genuine	form anew in the imagination; recollect and re-form in the mind
become or cause to become obstructed	produce or make another of
make a copy of (a computer file) especially for storage in another place as a security copy	make a replica of
move backwards from a certain position
give moral or psychological support, aid, or courage to