rephrase vs repeat

rephrase is not a noun while repeat is a noun.

Word	Noun	Adjective	Verb	Adverb
rephrase	No	No	Yes	No
repeat	Yes	No	Yes	No

As verbs, repeat is a hypernym of rephrase; that is, repeat is a word with a broader meaning than rephrase:

Other hypernyms of rephrase include ingeminate, iterate, reiterate, restate, retell.

rephrase (noun)	repeat (noun)
	an event that repeats

rephrase (verb)	repeat (verb)
express the same message in different words	happen or occur again
	to say, state, or perform again
	to say again or imitate
	make or do or perform again
	repeat an earlier theme of a composition
	do over