recap vs summarise

recap is a noun but summarise is not a noun.

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

As verbs, summarise is a hypernym of recap; that is, summarise is a word with a broader meaning than recap:

Other hypernyms of recap include resume, sum up, summarize.

recap (noun)	summarise (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

recap (verb)	summarise (verb)
summarize briefly	give a summary (of)
	be a summary of