repeat vs regurgitate

repeat is a noun but regurgitate is not a noun.

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

As verbs, regurgitate is a hyponym of repeat; that is, regurgitate is a word with a more specific, narrower meaning than repeat:

Other hyponyms of repeat include recite, cuckoo, reecho, parrot, reproduce.

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

repeat (verb)	regurgitate (verb)
happen or occur again	eject the contents of the stomach through the mouth
to say, state, or perform again	repeat after memorization
to say again or imitate	feed through the beak by regurgitating previously swallowed food
make or do or perform again	pour or rush back
repeat an earlier theme of a composition
do over