re-create vs back up

re-create and back up both are verbs.

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

As verbs, back up is a hyponym of re-create; that is, back up is a word with a more specific, narrower meaning than re-create:

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

Other hyponyms of re-create include manifold, multiply, imitate, trace, hectograph, clone, mimeo, mimeograph, roneo.

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