recapitulate vs recap

recapitulate is not a noun while recap is a noun.

Word	Noun	Adjective	Verb	Adverb
recapitulate	No	No	Yes	No
recap	Yes	No	Yes	No

As verbs, recapitulate and recap are synonyms defined as:

recapitulate (noun)	recap (noun)
	a summary at the end that repeats the substance of a longer discussion
	a used automobile tire that has been remolded to give it new treads

recapitulate (verb)	recap (verb)
summarize briefly	summarize briefly
repeat an earlier theme of a composition
repeat stages of evolutionary development during the embryonic phase of life