As a verb recap is
to seal (something) again with a cap or recap can be to recapitulate.
As a noun recap is
a recapitulation.
summarilize
Not English
Summarilize has no English definition. It may be misspelled.
recap
English
Etymology 1
re- + cap
Verb
To seal (something) again with a cap.
Etymology 2
Shortened from recapitulate/recapitulation
Synonyms
* (recapitulation) summarisation/summarization, summary, summing-up
Verb
(recapp)
To recapitulate.
Synonyms
* (recapitulate) summarise/summarize, sum up